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Leopold Zekeng

Research Profile

Geographic Areas

Cameroon

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HIV-1
HIV-2

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TOP 3
Francois-Xavier Mbopi-Keou; Sylvie Trottier; Rabeea F. Omar; Ngoh N Nkele; Séraphin Fokoua; Enow R Mbu; Jean-Francois Giguere; Marc-Christian Domingo; Jocelyne Piret; Landry Tsague; Leopold Zekeng; Anthony Mwatha; Benoît Mâsse; Michel G Bergeron
A randomized, double-blind, placebo-controlled safety and acceptability study of two Invisible Condom formulations in women from Cameroon.
Catherine A Brennan; Pierre Bodelle; Ruthie Coffey; Sushil G Devare; Alan Golden; John Hackett; Barbara Harris; Vera Holzmayer; Ka-Cheung Luk; Gerald Schochetman; Priscilla Swanson; Julie Yamaguchi; Ana Vallari; Nicaise Ndembi; Charlotte Ngansop; Florence Makamche; Dora Mbanya; Lutz G Gürtler; Leopold Zekeng; Lazare Kaptué
The prevalence of diverse HIV-1 strains was stable in Cameroonian blood donors from 1996 to 2004.
Landry Tsague; Sinata S Koulla; Alain Kenfak; Charles Kouanfack; Mathurin Tejiokem; Therese Abong; Madeleine Mbangue; Yacouba Njankouo Mapoure; Claudine Essomba; Jembia Mosoko; Regis Pouillot; Louis Menyeng; Helene Epee; Carno Tchuani; Anne Cecile Zoung-Kanyi; Lucienne Assumpta Bella; Leopold Zekeng
Determinants of retention in care in an antiretroviral therapy (ART) program in urban Cameroon, 2003-2005.

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All Publications

2009: Francois-Xavier Mbopi-Keou; Sylvie Trottier; Rabeea F. Omar; Ngoh N Nkele; Séraphin Fokoua; Enow R Mbu; Jean-Francois Giguere; Marc-Christian Domingo; Jocelyne Piret; Landry Tsague; Leopold Zekeng; Anthony Mwatha; Benoît Mâsse; Michel G Bergeron
A randomized, double-blind, placebo-controlled safety and acceptability study of two Invisible Condom formulations in women from Cameroon.
Contraception 2009;80(5):484-92.
2008: Catherine A Brennan; Pierre Bodelle; Ruthie Coffey; Sushil G Devare; Alan Golden; John Hackett; Barbara Harris; Vera Holzmayer; Ka-Cheung Luk; Gerald Schochetman; Priscilla Swanson; Julie Yamaguchi; Ana Vallari; Nicaise Ndembi; Charlotte Ngansop; Florence Makamche; Dora Mbanya; Lutz G Gürtler; Leopold Zekeng; Lazare Kaptué
The prevalence of diverse HIV-1 strains was stable in Cameroonian blood donors from 1996 to 2004.
Journal of acquired immune deficiency syndromes (1999) 2008;49(4):432-9.
2008: Landry Tsague; Sinata S Koulla; Alain Kenfak; Charles Kouanfack; Mathurin Tejiokem; Therese Abong; Madeleine Mbangue; Yacouba Njankouo Mapoure; Claudine Essomba; Jembia Mosoko; Regis Pouillot; Louis Menyeng; Helene Epee; Carno Tchuani; Anne Cecile Zoung-Kanyi; Lucienne Assumpta Bella; Leopold Zekeng
Determinants of retention in care in an antiretroviral therapy (ART) program in urban Cameroon, 2003-2005.
The Pan African medical journal 2008;1():2.
2006: Jean Ndjomou; Leopold Zekeng; Lazare Kaptue; Martin Däumer; Rolf Kaiser; Bertfried Matz; Bernd Kupfer
Functional domains of the human immunodeficiency virus type 1 Nef protein are conserved among different clades in Cameroon.
AIDS research and human retroviruses 2006;22(10):936-44.
2006: Clement B Ndongmo; Danuta Pieniazek; Mona Holberg-Petersen; Carol Holm-Hansen; Leopold Zekeng; Stig L Jeansson; Lazare Kaptue; Marcia L Kalish
HIV genetic diversity in Cameroon: possible public health importance.
AIDS research and human retroviruses 2006;22(8):812-6.
2006: Christian Laurent; Charles Kouanfack; Laurence Vergne; Michèle Tardy; Leopold Zekeng; Nathalie Noumsi; Christelle Butel; Anke Bourgeois; Eitel Mpoudi-Ngolé; Sinata Koulla-Shiro; Martine Peeters; Eric Delaporte
Antiretroviral drug resistance and routine therapy, Cameroon.
Emerging infectious diseases 2006;12(6):1001-4.
2006: Luc Kouam; I Nsangou; Dora Mbanya; M Nkam; Eugene Kongnyuy; Pius Ngassa; Pierre-Marie Tebeu; N Elobe; N G Kamgaing; Leopold Zekeng; Anderson S Doh
Prevention of mother-to-child transmission of HIV in Cameroon: experiences from the University Teaching Hospital in Yaounde (Cameroon).
Zentralblatt für Gynäkologie 2006;128(2):82-6.
2006: Laurence Vergne; Serge Diagbouga; Charles Kouanfack; Avelin F Aghokeng; Christelle Butel; Christian Laurent; Nathalie Noumssi; Michèle Tardy; Alphonse Sawadogo; Joseph Drabo; Hervé Hien; Leopold Zekeng; Eric Delaporte; Martine Peeters
HIV-1 drug-resistance mutations among newly diagnosed patients before scaling-up programmes in Burkina Faso and Cameroon.
Antiviral therapy 2006;11(5):575-9.
2006: Sherwin Lee; Jinjie Hu; Shixing Tang; Owen Wood; Kori Francis; Ana Machuca; Maria Rios; Sylvester Daniel; Christopher Vockley; Bih Awazi; Leopold Zekeng; Indira K Hewlett
Evaluation of FDA licensed HIV assays using plasma from Cameroonian blood donors.
Journal of medical virology 2006;78 Suppl 1():S22-3.
2005: Fuat Kurbanov; Yasuhito Tanaka; Kei Fujiwara; Fuminaka Sugauchi; Dora Mbanya; Leopold Zekeng; Nicaise Ndembi; Charlotte Ngansop; Lazare Kaptue; Tomoyuki Miura; Eiji Ido; Masanori Hayami; Hiroshi Ichimura; Masashi Mizokami
A new subtype (subgenotype) Ac (A3) of hepatitis B virus and recombination between genotypes A and E in Cameroon.
The Journal of general virology 2005;86(Pt 7):2047-56.
2005: Avelin F Aghokeng; Leonard Ewane; Bih Awazi; Aubin Nanfack; Eric Delaporte; Leopold Zekeng; Martine Peeters
Enfuvirtide binding domain is highly conserved in non-B HIV type 1 strains from Cameroon, West Central Africa.
AIDS research and human retroviruses 2005;21(5):430-3.
2005: Vera Holzmayer; Leopold Zekeng; Lazare Kaptué; Lutz Gürtler; Sushil G Devare; John Hackett
Near-full-length genomic sequence of a human immunodeficiency type 1 subtype G strain from Cameroon.
AIDS research and human retroviruses 2005;21(5):414-9.
2005: Anke Bourgeois; Christian Laurent; Rose Mougnutou; Nathalie Nkoué; Bernadette Lactuock; Laura Ciaffi; Florian Liegeois; Isabelle Andrieux-Meyer; Leopold Zekeng; Alexandra Calmy; Eitel Mpoudi-Ngolé; Eric Delaporte
Field assessment of generic antiretroviral drugs: a prospective cohort study in Cameroon.
Antiviral therapy 2005;10(2):335-41.
2004: Nicaise Ndembi; Jun Takehisa; Leopold Zekeng; Eiji Kobayashi; Charlotte Ngansop; Elijah M Songok; Seiji Kageyama; Taichiro Takemura; Eiji Ido; Masanori Hayami; Lazare Kaptue; Hiroshi Ichimura
Genetic diversity of HIV type 1 in rural eastern Cameroon.
Journal of acquired immune deficiency syndromes (1999) 2004;37(5):1641-50.
2004: Avelin F Aghokeng; Leonard Ewane; Bih Awazi; Aubin Nanfack; Eric Delaporte; Martine Peeters; Leopold Zekeng
Evaluation of four simple/rapid assays and two fourth-generation ELISAs for the identification of HIV infection on a serum panel representing the HIV-1 group M genetic diversity in Cameroon.
Journal of acquired immune deficiency syndromes (1999) 2004;37(5):1632-40.
2004: N Lydiè; Noah J Robinson; Benoît Ferry; Evina Akam; Myriam De Loenzien; Leopold Zekeng; Severin Abega
Adolescent sexuality and the HIV epidemic in Yaoundé, Cameroon.
Journal of biosocial science 2004;36(5):597-616.
2004: Denis M Tebit; Leopold Zekeng; Lazare Kaptué; Lutz Gürtler; Oliver T Fackler; Oliver T Keppler; Ottmar Herchenröder; Hans-Georg Kräusslich
Construction and characterization of an HIV-1 group O infectious molecular clone and analysis of vpr- and nef-negative derivatives.
Virology 2004;326(2):329-39.
2004: Christian Laurent; Charles Kouanfack; Sinata Koulla-Shiro; Nathalie Nkoué; Anke Bourgeois; Alexandra Calmy; Bernadette Lactuock; Viviane Nzeusseu; Rose Mougnutou; Gilles Peytavin; Florian Liegeois; Eric Nerrienet; Michèle Tardy; Martine Peeters; Isabelle Andrieux-Meyer; Leopold Zekeng; Michel D Kazatchkine; Eitel Mpoudi-Ngolé; Eric Delaporte
Effectiveness and safety of a generic fixed-dose combination of nevirapine, stavudine, and lamivudine in HIV-1-infected adults in Cameroon: open-label multicentre trial.
Lancet 2004;364(9428):29-34.
2004: Susan H Eshleman; John Hackett; Priscilla Swanson; Shawn P Cunningham; Birgit Drews; Catherine Brennan; Sushil G Devare; Leopold Zekeng; Lazare Kaptué; Natalia Marlowe
Performance of the Celera Diagnostics ViroSeq HIV-1 Genotyping System for sequence-based analysis of diverse human immunodeficiency virus type 1 strains.
Journal of clinical microbiology 2004;42(6):2711-7.
2004: J J Mosoko; T Delvaux; Judith R Glynn; Leopold Zekeng; IB Macauley; A Buve
Induced abortion among women attending antenatal clinics in Yaounde, Cameroon.
East African medical journal 2004;81(2):71-7.
2004: Frank A J Konings; Ping Zhong; Moise Agwara; Lucy Agyingi; Leopold Zekeng; Jacqueline M Achkar; Leonard Ewane; Emmanuel Afane Ze; Thompson Kinge; Phillipe N Nyambi
Protease mutations in HIV-1 non-B strains infecting drug-naive villagers in Cameroon.
AIDS research and human retroviruses 2004;20(1):105-9.
2004: Arthur Nádas; Ping Zhong; Sherri Burda; Leopold Zekeng; Mateusz M Urbanski; Miroslaw K Gorny; Susan Zolla-Pazner; Phillipe N Nyambi
Defining human immunodeficiency virus (HIV) type 1 immunotypes with six human monoclonal antibodies.
AIDS research and human retroviruses 2004;20(1):55-65.
2004: Judith R Glynn; Michel Caraël; Anne Buvé; Séverin Anagonou; Leopold Zekeng; Maina Kahindo; ROSEMARY MUSONDA
Does increased general schooling protect against HIV infection? A study in four African cities.
Tropical medicine & international health : TM & IH 2004;9(1):4-14.
2003: Ping Zhong; Sherri Burda; Frank A J Konings; Mateusz M Urbanski; Liying Ma; Leopold Zekeng; Leonard Ewane; Lucy Agyingi; Moise Agwara; Ze E Afane; Thompson Kinge; Susan Zolla-Pazner; Phillipe N Nyambi
Genetic and biological properties of HIV type 1 isolates prevalent in villagers of the Cameroon equatorial rain forests and grass fields: further evidence of broad HIV type 1 genetic diversity.
AIDS research and human retroviruses 2003;19(12):1167-78.
2003: Julie Yamaguchi; Pierre Bodelle; Lazare Kaptué; Leopold Zekeng; Lutz Gürtler; Sushil G Devare; Catherine A Brennan
Near full-length genomes of 15 HIV type 1 group O isolates.
AIDS research and human retroviruses 2003;19(11):979-88.
2003: Denis M Tebit; Leopold Zekeng; Lazare Kaptué; Hans-Georg Kräusslich; Ottmar Herchenröder
Construction and characterisation of a full-length infectious molecular clone from a fast replicating, X4-tropic HIV-1 CRF02.AG primary isolate.
Virology 2003;313(2):645-52.
2003: Laurence Vergne; Anke Bourgeois; Eitel Mpoudi-Ngole; Rose Mougnutou; Josephine Mbuagbaw; Florian Liegeois; Christian Laurent; Christelle Butel; Leopold Zekeng; Eric Delaporte; Martine Peeters
Biological and genetic characteristics of HIV infections in Cameroon reveals dual group M and O infections and a correlation between SI-inducing phenotype of the predominant CRF02_AG variant and disease stage.
Virology 2003;310(2):254-66.
2003: Clement B Ndongmo; Leopold Zekeng; Lazare Kaptue
Increased HIV prevalence among individuals attending a sexually transmitted infection clinic in Yaounde, Cameroon.
International journal of STD & AIDS 2003;14(3):189-92.
2003: Alejandro Vallejo; Lutz Gurtler; Leopold Zekeng; Indira K Hewlett
Nucleotide sequence analysis of the accessory genes of HIV-1 group O isolates.
Virus research 2003;91(2):189-93.
2002: Phillipe N Nyambi; Leopold Zekeng; Henriette Kenfack; Marcel Tongo; Aubin Nanfack; Innocent Nkombe; Flavien Ndonko; Judith Shang; Sherri Burda; Henry Mbah; Lucy Agyingi; Ping Zhong; Arthur Nádas; Susan Zolla-Pazner; Michael Marmor
HIV infection in rural villages of Cameroon.
Journal of acquired immune deficiency syndromes (1999) 2002;31(5):506-13.
2002: Ping Zhong; Sherri Burda; Mateusz M Urbanski; Henriette Kenfack; Marcel Tongo; Leo Heyndrickx; Aubin Nanfack; Judith Shang; Lucy Agyingi; Susan Zolla-Pazner; Leopold Zekeng; Phillipe N Nyambi
HIV type 1 group M clades infecting subjects from rural villages in equatorial rain forests of Cameroon.
Journal of acquired immune deficiency syndromes (1999) 2002;31(5):495-505.
2002: Christian Laurent; Anke Bourgeois; Mame Awa Faye; Rose Mougnutou; Moussa Seydi; Mandoumbé Gueye; Florian Liegeois; Coumba Touré Kane; Christelle Butel; Josephine Mbuagbaw; Leopold Zekeng; Souleymane MBoup; Eitel Mpoudi-Ngolé; Martine Peeters; Eric Delaporte
No difference in clinical progression between patients infected with the predominant human immunodeficiency virus type 1 circulating recombinant form (CRF) 02_AG strain and patients not infected with CRF02_AG, in Western and West-Central Africa: a four-year prospective multicenter study.
The Journal of infectious diseases 2002;186(4):486-92.
2002: Ronald Roddy; Leopold Zekeng; Kelley A Ryan; Ubald Tamoufé; Kathryn G Tweedy
Effect of nonoxynol-9 gel on urogenital gonorrhea and chlamydial infection: a randomized controlled trial.
JAMA : the journal of the American Medical Association 2002;287(9):1117-22.
2002: Julie Yamaguchi; Ana Vallari; Priscilla Swanson; Pierre Bodelle; Lazare Kaptué; Charlotte Ngansop; Leopold Zekeng; Lutz Gürtler; Sushil G Devare; Catherine A Brennan
Evaluation of HIV type 1 group O isolates: identification of five phylogenetic clusters.
AIDS research and human retroviruses 2002;18(4):269-82.
2002: Jean Ndjomou; Bernd Kupfer; Bettina Kochan; Leopold Zekeng; Lazare Kaptue; Bertfried Matz
Hepatitis C virus infection and genotypes among human immunodeficiency virus high-risk groups in Cameroon.
Journal of medical virology 2002;66(2):179-86.
2002: Denis M Tebit; Leopold Zekeng; Lazare Kaptué; Mika Salminen; Hans-Georg Kräusslich; Ottmar Herchenröder
Genotypic and phenotypic analysis of HIV type 1 primary isolates from western Cameroon.
AIDS research and human retroviruses 2002;18(1):39-48.
2001: Ka-Cheung Luk; Lazare Kaptué; Leopold Zekeng; V Soriano; Lutz Gürtler; Sushil G Devare; Gerald Schochetman; John Hackett
Naturally occurring sequence polymorphisms within HIV type 1 group O protease.
AIDS research and human retroviruses 2001;17(16):1555-61.
2001: Judith R Glynn; Anne Buvé; Michel Caraël; ROSEMARY MUSONDA; Maina Kahindo; IB Macauley; F Tembo; Leopold Zekeng
Factors influencing the difference in HIV prevalence between antenatal clinic and general population in sub-Saharan Africa.
AIDS (London, England) 2001;15(13):1717-25.
2001: Jun Takehisa; Yosuke Harada; Nicaise Ndembi; Innocent Mboudjeka; Yuko Taniguchi; Charlotte Ngansop; S Kuate; Leopold Zekeng; Ibuki Kentaro; T Shimada; Blaise Bikandou; Yumi Yamaguchi-Kabata; Tomoyuki Miura; Mikio Ikeda; Hiroshi Ichimura; Lazare Kaptué; Masanori Hayami
Natural infection of wild-born mandrills (Mandrillus sphinx) with two different types of simian immunodeficiency virus.
AIDS research and human retroviruses 2001;17(12):1143-54.
2001: Helen A Weiss; Anne Buvé; Noah J Robinson; Eddy Van Dyck; Maina Kahindo; Séverin Anagonou; ROSEMARY MUSONDA; Leopold Zekeng; Linda Morison; Michel Caraël; Marie Laga; Richard J Hayes
The epidemiology of HSV-2 infection and its association with HIV infection in four urban African populations.
AIDS (London, England) 2001;15 Suppl 4():S97-108.
2001: Anne Buvé; Helen A Weiss; Marie Laga; Eddy Van Dyck; ROSEMARY MUSONDA; Leopold Zekeng; Maina Kahindo; Séverin Anagonou; Linda Morison; Noah J Robinson; Richard J Hayes
The epidemiology of trichomoniasis in women in four African cities.
AIDS (London, England) 2001;15 Suppl 4():S89-96.
2001: Anne Buvé; Helen A Weiss; Marie Laga; Eddy Van Dyck; ROSEMARY MUSONDA; Leopold Zekeng; Maina Kahindo; Séverin Anagonou; Linda Morison; Noah J Robinson; Richard J Hayes
The epidemiology of gonorrhoea, chlamydial infection and syphilis in four African cities.
AIDS (London, England) 2001;15 Suppl 4():S79-88.
2001: Anne Buvé; Michel Caraël; Richard J Hayes; Bertran Auvert; Benoît Ferry; Noah J Robinson; Séverin Anagonou; L Kanhonou; M Laourou; Severin Abega; Evina Akam; Leopold Zekeng; J Chege; Maina Kahindo; N Rutenberg; F Kaona; ROSEMARY MUSONDA; T Sukwa; Linda Morison; Helen A Weiss; Marie Laga
Multicentre study on factors determining differences in rate of spread of HIV in sub-Saharan Africa: methods and prevalence of HIV infection.
AIDS (London, England) 2001;15 Suppl 4():S5-14.
2001: Anne Buvé; Michel Caraël; Richard J Hayes; Bertran Auvert; Benoît Ferry; Noah J Robinson; Séverin Anagonou; L Kanhonou; M Laourou; Severin Abega; Evina Akam; Leopold Zekeng; J Chege; Maina Kahindo; N Rutenberg; F Kaona; ROSEMARY MUSONDA; T Sukwa; Linda Morison; Helen A Weiss; Marie Laga
The multicentre study on factors determining the differential spread of HIV in four African cities: summary and conclusions.
AIDS (London, England) 2001;15 Suppl 4():S127-31.
2001: Linda Morison; Anne Buvé; Leopold Zekeng; Leo Heyndrickx; Séverin Anagonou; ROSEMARY MUSONDA; Maina Kahindo; Helen A Weiss; Richard J Hayes; Marie Laga; Wouter Janssens; Guido van der Groen
HIV-1 subtypes and the HIV epidemics in four cities in sub-Saharan Africa.
AIDS (London, England) 2001;15 Suppl 4():S109-16.
2001: Judith R Glynn; Anne Buvé; Michel Caraël; IB Macauley; Maina Kahindo; ROSEMARY MUSONDA; Leopold Zekeng
Is long postpartum sexual abstinence a risk factor for HIV?
AIDS (London, England) 2001;15(8):1059-61.
2000: Judith R Glynn; Anne Buvé; Michel Caraël; Maina Kahindo; IB Macauley; ROSEMARY MUSONDA; E Jungmann; F Tembo; Leopold Zekeng
Decreased fertility among HIV-1-infected women attending antenatal clinics in three African cities.
Journal of acquired immune deficiency syndromes (1999) 2000;25(4):345-52.
2000: Chunfu Yang; Feng-Xiang Gao; P N Funjungo; Leopold Zekeng; Guido van der Groen; Danuta Pieniazek; CA Schable; Renu B Lal
Phylogenetic analysis of protease and transmembrane region of HIV type 1 group O.
AIDS research and human retroviruses 2000;16(11):1075-81.
2000: Leo Heyndrickx; Wouter Janssens; Leopold Zekeng; ROSEMARY MUSONDA; Séverin Anagonou; Gert Van der Auwera; Sandra Coppens; Katleen Vereecken; K De Witte; R Van Rampelbergh; Maina Kahindo; Linda Morison; Francine E McCutchan; Jean K Carr; Jan Albert; M Essex; J Goudsmit; B Asjö; Mika Salminen; Anne Buvé; Guido van der Groen
Simplified strategy for detection of recombinant human immunodeficiency virus type 1 group M isolates by gag/env heteroduplex mobility assay. Study Group on Heterogeneity of HIV Epidemics in African Cities.
Journal of virology 2000;74(1):363-70.
1999: Chunfu Yang; Danuta Pieniazek; Sherry Owen; Carol Fridlund; John N Nkengasong; Timothy Mastro; Mark Rayfield; Robert Downing; B Biryawaho; Amilcar Tanuri; Leopold Zekeng; Guido van der Groen; F Gao; Renu B Lal
Detection of phylogenetically diverse human immunodeficiency virus type 1 groups M and O from plasma by using highly sensitive and specific generic primers.
Journal of clinical microbiology 1999;37(8):2581-6.
1999: Jun Takehisa; Leopold Zekeng; Eiji Ido; Yumi Yamaguchi-Kabata; Innocent Mboudjeka; Yosuke Harada; Tomoyuki Miura; L Kaptu; Masanori Hayami
Human immunodeficiency virus type 1 intergroup (M/O) recombination in cameroon.
Journal of virology 1999;73(8):6810-20.
1999: Innocent Mboudjeka; Leopold Zekeng; Jun Takehisa; Tomoyuki Miura; Eiji Ido; Masahiro Yamashita; Lazare Kaptue; Masanori Hayami
HIV type 1 genetic variability in the northern part of Cameroon.
AIDS research and human retroviruses 1999;15(11):951-6.
1999: Sharon Weir; Ronald Roddy; Leopold Zekeng; Kelley A Ryan
Association between condom use and HIV infection: a randomised study of self reported condom use measures.
Journal of epidemiology and community health 1999;53(7):417-22.
1999: M T Dittmar; Leopold Zekeng; Lazare Kaptue; J Eberle; Hans-Georg Kräusslich; Lutz Gürtler
Coreceptor requirements of primary HIV type 1 group O isolates from Cameroon.
AIDS research and human retroviruses 1999;15(8):707-12.
1999: Innocent Mboudjeka; Blaise Bikandou; Leopold Zekeng; Jun Takehisa; Yosuke Harada; Yumi Yamaguchi-Kabata; Yuko Taniguchi; Eiji Ido; Lazare Kaptue; P M'pelle; Henri Joseph Parra; Mikio Ikeda; Masanori Hayami; Tomoyuki Miura
Genetic diversity of HIV-1 group M from Cameroon and Republic of Congo.
Archives of virology 1999;144(12):2291-311.
1998: Ronald Roddy; Leopold Zekeng; Kelley A Ryan; Ubald Tamoufé; Sharon Weir; Emelita Wong
A controlled trial of nonoxynol 9 film to reduce male-to-female transmission of sexually transmitted diseases.
The New England journal of medicine 1998;339(8):504-10.
1998: Sharon Weir; Ronald Roddy; Leopold Zekeng; Kelley A Ryan; Emelita Wong
Measuring condom use: asking "do you or don't you" isn't enough.
AIDS education and prevention : official publication of the International Society for AIDS Education 1998;10(4):293-302.
1998: Leo Heyndrickx; Wouter Janssens; Lutz Gürtler; Leopold Zekeng; I Loussert-Ajaka; Katleen Vereecken; Betty Willems; Sandra Coppens; Peter Ndumbe; Katrien Fransen; E Saman; M Alary; Guido van der Groen
Differential diagnosis of HIV type 1 group O and M infection by polymerase chain reaction and PstI restriction analysis of the pol gene fragment.
AIDS research and human retroviruses 1998;14(11):973-7.
1998: Pascale Ondoa; Betty Willems; Katrien Fransen; John N Nkengasong; Wouter Janssens; Leo Heyndrickx; Leopold Zekeng; Peter Ndumbe; F Simon; Sentob Saragosti; Lutz Gürtler; M Peeters; B Korber; J Goudsmit; Guido van der Groen
Evaluation of different V3 peptides in an enzyme immunoassay for specific HIV type 1 group O antibody detection.
AIDS research and human retroviruses 1998;14(11):963-72.
1998: Kelley A Ryan; Leopold Zekeng; Ronald Roddy; Sharon Weir
Prevalence and prediction of sexually transmitted diseases among sex workers in Cameroon.
International journal of STD & AIDS 1998;9(7):403-7.
1998: Jun Takehisa; Leopold Zekeng; Eiji Ido; Innocent Mboudjeka; H Moriyama; Tomoyuki Miura; Masahiro Yamashita; Lutz Gürtler; Masanori Hayami; Lazare Kaptué
Various types of HIV mixed infections in Cameroon.
Virology 1998;245(1):1-10.
1998: François-Xavier Mbopi-Kéou; E Mpoudi-Ngollé; John N Nkengasong; Leopold Zekeng; Dora Mbanya; G Affana; Philippe Mauclère; M Monny Lobé; Jean-Baptiste Tapko; Peter Ndumbe; R Salla; Lazare Kaptué; Laurent Bélec
Trends of AIDS epidemic in Cameroon, 1986 through 1995.
Journal of acquired immune deficiency syndromes and human retrovirology : official publication of the International Retrovirology Association 1998;18(1):89-91.
1998: Kelley A Ryan; Ronald Roddy; Leopold Zekeng; Sharon Weir; Ubald Tamoufé
Characteristics associated with prevalent HIV infection among a cohort of sex workers in Cameroon.
Sexually transmitted infections 1998;74(2):131-5.
1998: Yasuhito Tanaka; Masashi Mizokami; Etsuro Orito; KI Ohba; Takanobu Kato; Y Kondo; Innocent Mboudjeka; Leopold Zekeng; Lazare Kaptue; Blaise Bikandou; P M'Pele; Jun Takehisa; Masanori Hayami; Y Suzuki; Takashi Gojobori
African origin of GB virus C/hepatitis G virus.
FEBS letters 1998;423(2):143-8.
1997: J van Binsbergen; W Keur; M vd Graaf; A Siebelink; A Jacobs; D de Rijk; J Toonen; Leopold Zekeng; E Afane Ze; L G Gürtler
Reactivity of a new HIV-1 group O third generation A-HIV-1/-2 assay with an unusual HIV-1 seroconversion panel and HIV-1 group O/group M subtyped samples.
Journal of virological methods 1997;69(1-2):29-37.
1997: Niel T Constantine; Leopold Zekeng; A K Sangare; L Gurtler; RD Saville; H Anhary; C Wild
Diagnostic challenges for rapid human immunodeficiency virus assays. Performance using HIV-1 group O, HIV-1 group M, and HIV-2 samples.
Journal of human virology 1997;1(1):45-51.
1997: Leopold Zekeng; J Obiang Sima; H Hampl; J M Ndemesogo; J Ntutumu; V Sima; Sushil G Devare; Lazare Kaptue; Lutz Gürtler
Update on HIV-1 group O infection in Equatorial Guinea, Central Africa.
AIDS (London, England) 1997;11(11):1410-2.
1997: John Hackett; Leopold Zekeng; Catherine A Brennan; JK Lund; Ana Vallari; Robert Hickman; Lutz Gürtler; Lazare Kaptué; Sushil G Devare
Genetic analysis of HIV type 1 group O p24gag sequences from Cameroon and Equatorial Guinea.
AIDS research and human retroviruses 1997;13(13):1155-8.
1997: JC Hunt; Alan Golden; JK Lund; Lutz Gürtler; Leopold Zekeng; J Obiang; Lazare Kaptué; H Hampl; Ana Vallari; Sushil G Devare
Envelope sequence variability and serologic characterization of HIV type 1 group O isolates from equatorial guinea.
AIDS research and human retroviruses 1997;13(12):995-1005.
1997: J Eberle; I Loussert-Ajaka; S Brust; Leopold Zekeng; P H Hauser; Lazare Kaptue; S Knapp; Florence Damond; Sentob Saragosti; François SIMON; Lutz Gürtler
Diversity of the immunodominant epitope of gp41 of HIV-1 subtype O and its validity for antibody detection.
Journal of virological methods 1997;67(1):85-91.
1997: Innocent Mboudjeka; Leopold Zekeng; Masahiro Yamashita; Jun Takehisa; Eiji Ido; Tomoyuki Miura; Sadayuki Ohkura; Mikio Ikeda; Lazare Kaptue; Masanori Hayami
Prevalence and phylogenetic analysis of HTLV-I isolates in Cameroon, including those of the Baka Pygmy.
Japanese journal of cancer research : Gann 1997;88(7):619-24.
1997: T M Rehle; P Mattke; G N Liomba; S Krämer; Guy-Michel Gershy-Damet; K Konan; A Sangare; Leopold Zekeng; J M Tsague; Lazare Kaptue; J Eberle; Lutz Gürtler
Evaluation of a quantitative double ELISA strategy for confirmation and differentiation of HIV infection.
Journal of virological methods 1997;66(2):203-9.
1997: Catherine A Brennan; John Hackett; Leopold Zekeng; JK Lund; Ana Vallari; Robert Hickman; Lutz Gürtler; Lazare Kaptue; J Von Overbeck; H Hampl; Sushil G Devare
Sequence of gp41env immunodominant region of HIV type 1 group O from west central Africa.
AIDS research and human retroviruses 1997;13(10):901-4.
1997: Richard Respess; A Butcher; H Wang; Thanyanan Chaowanachan; N Young; N Shaffer; Timothy Mastro; Benon Biryahwaho; Robert Downing; Amilcar Tanuri; M Schechter; R Pascu; Leopold Zekeng; Lazare Kaptué; L Gürtler; J Eberle; Dennis Ellenberger; Carol Fridlund; Mark Rayfield; S Kwok
Detection of genetically diverse human immunodeficiency virus type 1 group M and O isolates by PCR.
Journal of clinical microbiology 1997;35(5):1284-6.
1997: JC Hunt; Catherine A Brennan; Alan Golden; Julie Yamaguchi; JK Lund; Ana Vallari; Robert Hickman; Leopold Zekeng; Lutz Gürtler; H Hampl; Lazare Kaptué; Sushil G Devare
Molecular analyses of HIV-1 group O and HIV-2 variants from Africa.
Leukemia 1997;11 Suppl 3():138-41.
1997: Leopold Zekeng; A Sadjo; J Meli; Lazare Kaptué; Eitel Mpoudi-Ngole; G Hess; R Babiel
T lymphocyte subset values among healthy Cameroonians.
Journal of acquired immune deficiency syndromes and human retrovirology : official publication of the International Retrovirology Association 1997;14(1):82-3.
1997: Jun Takehisa; Leopold Zekeng; T Miura; Eiji Ido; M Yamashita; Innocent Mboudjeka; Lutz Gürtler; Masanori Hayami; Lazare Kaptue
Triple HIV-1 infection with group O and Group M of different clades in a single Cameroonian AIDS patient.
Journal of acquired immune deficiency syndromes and human retrovirology : official publication of the International Retrovirology Association 1997;14(1):81-2.
1996: J van Binsbergen; D de Rijk; H Peels; C Dries; J Scherders; M Koolen; Leopold Zekeng; Lutz Gürtler
Evaluation of a new third generation anti-HIV-1/anti-HIV-2 assay with increased sensitivity for HIV-1 group O.
Journal of virological methods 1996;60(2):131-7.
1996: Lutz Gürtler; Leopold Zekeng; J M Tsague; A van Brunn; E Afane Ze; J Eberle; Lazare Kaptue
HIV-1 subtype O: epidemiology, pathogenesis, diagnosis, and perspectives of the evolution of HIV.
Archives of virology. Supplementum 1996;11():195-202.
1995: J Chen; Leopold Zekeng; M Yamashita; Jun Takehisa; Tomoyuki Miura; Eiji Ido; Innocent Mboudjeka; J M Tsague; Masanori Hayami; Lazare Kaptue
HTLV type I isolated from a Pygmy in Cameroon is related to but distinct from the known central African type.
AIDS research and human retroviruses 1995;11(12):1529-31.
1995: Sharon Weir; Ronald Roddy; Leopold Zekeng; Paul J Feldblum
Nonoxynol-9 use, genital ulcers, and HIV infection in a cohort of sex workers.
Genitourinary medicine 1995;71(2):78-81.
1995: Lutz Gürtler; Leopold Zekeng; François SIMON; J Eberle; J M Tsague; Lazare Kaptue; S Brust; S Knapp
Reactivity of five anti-HIV-1 subtype O specimens with six different anti-HIV screening ELISAs and three immunoblots.
Journal of virological methods 1995;51(2-3):177-83.
1994: CA Schable; Leopold Zekeng; Chou-Pong Pau; D Hu; Lazare Kaptue; L Gurtler; Timothy J Dondero; J M Tsague; Gerald Schochetman; H Jaffe
Sensitivity of United States HIV antibody tests for detection of HIV-1 group O infections.
Lancet 1994;344(8933):1333-4.
1994: Leopold Zekeng; L Gurtler; E Afane Ze; A Sam-Abbenyi; G Mbouni-Essomba; E Mpoudi-Ngolle; M Monny-Lobe; J B Tapka; Lazare Kaptue
Prevalence of HIV-1 subtype O infection in Cameroon: preliminary results.
AIDS (London, England) 1994;8(11):1626-8.
1994: Sharon Weir; Paul J Feldblum; Ronald Roddy; Leopold Zekeng
Gonorrhea as a risk factor for HIV acquisition.
AIDS (London, England) 1994;8(11):1605-8.
1994: Sharon Weir; Paul J Feldblum; Leopold Zekeng; Ronald Roddy
The use of nonoxynol-9 for protection against cervical gonorrhea.
American journal of public health 1994;84(6):910-4.
1994: Lutz Gürtler; P H Hauser; J Eberle; Albrecht von Brunn; S Knapp; Leopold Zekeng; J M Tsague; Lazare Kaptue
A new subtype of human immunodeficiency virus type 1 (MVP-5180) from Cameroon.
Journal of virology 1994;68(3):1581-5.
1994: S Djoumessi; Leopold Zekeng; G Lando; D Zeukeng
Serum lipids and atherogenic risk in sickle-cell trait carriers.
Annales de biologie clinique 1994;52(9):663-5.
1993: Leopold Zekeng; Paul J Feldblum; R M Oliver; Lazare Kaptue
Barrier contraceptive use and HIV infection among high-risk women in Cameroon.
AIDS (London, England) 1993;7(5):725-31.
1993: J M Garcia-Calleja; J P Louis; R Salla; A Trebucq; J L Mvondo; Leopold Zekeng; R Migliani; R Owona; Lazare Kaptue
[Short term projections of infection by the human immunodeficiency (HIV) and the acquired immunodeficiency syndrome (AIDS) in Cameroon].
Médecine tropicale : revue du Corps de santé colonial 1993;53(2):195-9.
1992: J M Garcia-Calleja; Leopold Zekeng; J P Louis; J L Mvondo; A Trebucq; David Sokal; D Yanga; A Ndoumou; D Andela; R Salla
HIV infection in Cameroon: 30 months' surveillance in Yaounde.
AIDS (London, England) 1992;6(8):881-2.
1992: J M García-Calleja; J L Mvondo; Leopold Zekeng; J P Louis; A Trebucq; R Salla; R Owona; Lazare Kaptue
A short term projection of HIV infection and AIDS cases in Cameroon.
Transactions of the Royal Society of Tropical Medicine and Hygiene 1992;86(4):435-7.
1992: Leopold Zekeng; D Yanga; A Trebucq; David Sokal; R Salla; Lazare Kaptue
HIV prevalence in patients with sexually transmitted diseases in Yaounde, (Cameroon) in 1989 and 1990: necessity of an STD control programme.
Genitourinary medicine 1992;68(2):117-9.
1992: Leopold Zekeng; R Salla; Lazare Kaptue; P Pinay; P Barth; B Schmidt-Ehry; T Rehle
HIV-2 infection in Cameroon: no evidence of indigenous cases.
Journal of acquired immune deficiency syndromes 1992;5(3):319-20.
1992: Lazare Kaptue; Leopold Zekeng; E Fomekong; A Nsangou; J P Tagu; J Tchuela
[Visceral leishmaniasis in Cameroon. Report of various cases and clinical study in the region of Kousseri, far-north of Cameroon].
Bulletin de la Société de pathologie exotique (1990) 1992;85(2):156-8.
1991: Lazare Kaptue; Leopold Zekeng; S Djoumessi; M Monny-Lobe; D Nichols; R Debuysscher
HIV and chlamydia infections among prostitutes in Yaoundé, Cameroon.
Genitourinary medicine 1991;67(2):143-5.
1990: J Hellinger; Richard Marlink; Lazare Kaptue; Leopold Zekeng; M Essex
Are tuberculosis patients a 'sentinel' population for HIV epidemic in Africa?
Transactions of the Royal Society of Tropical Medicine and Hygiene 1990;84(2):292.
1990: Leopold Zekeng; Lazare Kaptue
[HIV-1 serology and carrier state for HBs and HBe in blood donors at Yaounde University Hospital Center, Cameroon].
Annales de la Société belge de médecine tropicale 1990;70(1):49-53.