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O C H Kwok

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N Tiao; G Tilahun; C Darrington; Wondwossen A Gebreyes; J L Jones; O C H Kwok; M R Lappin; Bayleyegn Molla; W J A Saville; Jitender P Dubey
An investigation into the seroprevalence of Toxoplasma gondii, Bartonella spp., feline immunodeficiency virus (FIV), and feline leukaemia virus (FeLV) in cats in Addis Ababa, Ethiopia.
A M El Behairy; L R Ferreira; M Hilali; O C H Kwok; C Su; S Choudhary; Jitender P Dubey
Genetic characterization of viable Toxoplasma gondii isolates from stray dogs from Giza, Egypt.
Jitender P Dubey; L R Ferreira; S Choudhary; C Darrington; O C H Kwok; Bayleyegn Molla; W J A Saville; N Tiao; G Tilahun; W A Gebreyes
Isolation of viable Toxoplasma gondii from tissues and feces of cats from Addis Ababa, Ethiopia.

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2013: N Tiao; G Tilahun; C Darrington; Wondwossen A Gebreyes; J L Jones; O C H Kwok; M R Lappin; Bayleyegn Molla; W J A Saville; Jitender P Dubey
An investigation into the seroprevalence of Toxoplasma gondii, Bartonella spp., feline immunodeficiency virus (FIV), and feline leukaemia virus (FeLV) in cats in Addis Ababa, Ethiopia.
Epidemiology and infection 2013;141(5):1029-33.
2013: A M El Behairy; L R Ferreira; M Hilali; O C H Kwok; C Su; S Choudhary; Jitender P Dubey
Genetic characterization of viable Toxoplasma gondii isolates from stray dogs from Giza, Egypt.
Veterinary parasitology 2013;193(1-3):25-9.
2013: Jitender P Dubey; L R Ferreira; S Choudhary; C Darrington; O C H Kwok; Bayleyegn Molla; W J A Saville; N Tiao; G Tilahun; W A Gebreyes
Isolation of viable Toxoplasma gondii from tissues and feces of cats from Addis Ababa, Ethiopia.
The Journal of parasitology 2013;99(1):56-8.
2012: Jitender P Dubey; L R Ferreira; Dolores E Hill; O C H Kwok; Rajendran Chellaiah; D W Rozeboom; S Choudhary; C Su
High prevalence and genotypes of Toxoplasma gondii isolated from organic pigs in northern USA.
Veterinary parasitology 2012;188(1-2):14-8.
2012: D L Chambers; J J Cox; J M Guthrie; O C H Kwok; D S Maehr; W A Ulrey; J P Dubey
Seroprevalence of Toxoplasma gondii from free-ranging black bears ( Ursus americanus ) from Florida.
The Journal of parasitology 2012;98(3):674-5.
2011: J Martins; O C H Kwok; Jitender P Dubey
Seroprevalence of Neospora caninum in free-range chickens (Gallus domesticus) from the Americas.
Veterinary parasitology 2011;182(2-4):349-51.
2011: Cosme Alvarado Esquivel; D Alvarado-Esquivel; S Choudhary; L R Ferreira; O C H Kwok; Rajendran Chellaiah; S Rodríguez-Peña; I Villena; Jitender P Dubey
Prevalence of Toxoplasma gondii infection in wild birds in Durango, Mexico.
The Journal of parasitology 2011;97(5):809-12.
2011: Jitender P Dubey; L R Ferreira; Mark C Jenkins; O C H Kwok; J Martins; Katarzyna B Miska; Rajendran Chellaiah; S Choudhary
Gray wolf (Canis lupus) is a natural definitive host for Neospora caninum.
Veterinary parasitology 2011;181(2-4):382-7.
2011: Jitender P Dubey; P A Fair; E B Faria; T A Felix; L R Ferreira; J Hart; O C H Kwok; W E McFee; Rajendran Chellaiah; D Ruid; V Shearn-Bochsler; D Sinnett; NJ Thomas; GV Velmurugan; M J Yabsley; Huaijun Zhou; K B Beckmen; S Choudhary; C Su
Genetic characterisation of Toxoplasma gondii in wildlife from North America revealed widespread and high prevalence of the fourth clonal type.
International journal for parasitology 2011;41(11):1139-47.
2011: Jitender P Dubey; Rajendran Chellaiah; L R Ferreira; J Martins; O C H Kwok; Dolores E Hill; I Villena; Huaijun Zhou; C Su; J L Jones
High prevalence and genotypes of Toxoplasma gondii isolated from goats, from a retail meat store, destined for human consumption in the USA.
International journal for parasitology 2011;41(8):827-33.
2011: A P Lopes; H Santos; F Neto; M Rodrigues; O C H Kwok; J P Dubey; L Cardoso
Prevalence of antibodies to Toxoplasma gondii in dogs from northeastern Portugal.
The Journal of parasitology 2011;97(3):418-20.
2011: S Dangoudoubiyam; J B Oliveira; C Víquez; A Gómez-García; O González; J J Romero; O C H Kwok; Jitender P Dubey; Daniel K Howe
Detection of antibodies against Sarcocystis neurona, Neospora spp., and Toxoplasma gondii in horses from Costa Rica.
The Journal of parasitology 2011;97(3):522-4.
2011: Y M Al-Kappany; M R Lappin; O C H Kwok; S A Abu-Elwafa; M Hilali; Jitender P Dubey
Seroprevalence of Toxoplasma gondii and concurrent Bartonella spp., feline immunodeficiency virus, feline leukemia virus, and Dirofilaria immitis infections in Egyptian cats.
The Journal of parasitology 2011;97(2):256-8.
2010: Y M Al-Kappany; Rajendran Chellaiah; L R Ferreira; O C H Kwok; S A Abu-Elwafa; M Hilali; Jitender P Dubey
High prevalence of toxoplasmosis in cats from Egypt: isolation of viable Toxoplasma gondii, tissue distribution, and isolate designation.
The Journal of parasitology 2010;96(6):1115-8.
2010: Jitender P Dubey; T A Felix; O C H Kwok
Serological and parasitological prevalence of Toxoplasma gondii in wild birds from Colorado.
The Journal of parasitology 2010;96(5):937-9.
2010: J P Dubey; An Pas; Rajendran Chellaiah; O C H Kwok; L R Ferreira; J Martins; C Hebel; S Hammer; C Su
Toxoplasmosis in Sand cats (Felis margarita) and other animals in the Breeding Centre for Endangered Arabian Wildlife in the United Arab Emirates and Al Wabra Wildlife Preservation, the State of Qatar.
Veterinary parasitology 2010;172(3-4):195-203.
2010: Jitender P Dubey; Rajendran Chellaiah; L R Ferreira; O C H Kwok; D Sinnett; D Majumdar; C Su
A new atypical highly mouse virulent Toxoplasma gondii genotype isolated from a wild black bear in Alaska.
The Journal of parasitology 2010;96(4):713-6.
2010: Jitender P Dubey; Rajendran Chellaiah; D G C Costa; L R Ferreira; O C H Kwok; D Qu; C Su; M F V Marvulo; L C Alves; R A Mota; J C R Silva
New Toxoplasma gondii genotypes isolated from free-range chickens from the Fernando de Noronha, Brazil: unexpected findings.
The Journal of parasitology 2010;96(4):709-12.
2009: Jitender P Dubey; M R Lappin; O C H Kwok; S Mofya; A Chikweto; A Baffa; D Doherty; J Shakeri; C N L MacPherson; RN Sharma
Seroprevalence of Toxoplasma gondii and concurrent Bartonella spp., feline immunodeficiency virus, and feline leukemia virus infections in cats from Grenada, West Indies.
The Journal of parasitology 2009;95(5):1129-33.
2009: Jitender P Dubey; C R Bhatia; M R Lappin; L R Ferreira; A Thorn; O C H Kwok
Seroprevalence of Toxoplasma gondii and Bartonella spp. antibodies in cats from Pennsylvania.
The Journal of parasitology 2009;95(3):578-80.
2009: Jitender P Dubey; Mark C Jenkins; O C H Kwok; R L Zink; M L Michalski; V Ulrich; J Gill; M Carstensen; Philippe Thulliez
Seroprevalence of Neospora caninum and Toxoplasma gondii antibodies in white-tailed deer (Odocoileus virginianus) from Iowa and Minnesota using four serologic tests.
Veterinary parasitology 2009;161(3-4):330-4.
2009: Jitender P Dubey; L Moura; D Majumdar; N Sundar; GV Velmurugan; O C H Kwok; P Kelly; Rosina C Krecek; C Su
Isolation and characterization of viable Toxoplasma gondii isolates revealed possible high frequency of mixed infection in feral cats ( Felis domesticus) from St Kitts, West Indies.
Parasitology 2009;136(6):589-94.
2009: Jitender P Dubey; GV Velmurugan; C Alvarado-Esquivel; D Alvarado-Esquivel; S Rodríguez-Peña; S Martínez-García; A González-Herrera; L R Ferreira; O C H Kwok; C Su
Isolation of Toxoplasma gondii from animals in Durango, Mexico.
The Journal of parasitology 2009;95(2):319-22.
2009: J P Dubey; J Mergl; E Gehring; N Sundar; G V Velmurugan; O C H Kwok; M E Grigg; C Su; D Martineau
Toxoplasmosis in captive dolphins (Tursiops truncatus) and walrus (Odobenus rosmarus).
The Journal of parasitology 2009;95(1):82-5.
2008: Jitender P Dubey; K Mansfield; B Hall; O C H Kwok; Philippe Thulliez
Seroprevalence of Neospora caninum and Toxoplasma gondii in black-tailed deer (Odocoileus hemionus columbianus) and mule deer (Odocoileus hemionus hemionus).
Veterinary parasitology 2008;156(3-4):310-3.
2008: J P Dubey; P A Fair; N Sundar; G Velmurugan; O C H Kwok; W E McFee; D Majumdar; C Su
Isolation of Toxoplasma gondii from bottlenose dolphins (Tursiops truncatus).
The Journal of parasitology 2008;94(4):821-3.
2008: Jitender P Dubey; N Sundar; D Hill; GV Velmurugan; LA Bandini; O C H Kwok; D Majumdar; C Su
High prevalence and abundant atypical genotypes of Toxoplasma gondii isolated from lambs destined for human consumption in the USA.
International journal for parasitology 2008;38(8-9):999-1006.
2008: Jitender P Dubey; GV Velmurugan; V Ulrich; J Gill; M Carstensen; N Sundar; O C H Kwok; Philippe Thulliez; D Majumdar; C Su
Transplacental toxoplasmosis in naturally-infected white-tailed deer: Isolation and genetic characterisation of Toxoplasma gondii from foetuses of different gestational ages.
International journal for parasitology 2008;38(8-9):1057-63.
2008: J P Dubey; D Stone; O C H Kwok; R N Sharma
Toxoplasma gondii and Neospora caninum antibodies in dogs from Grenada, West Indies.
The Journal of parasitology 2008;94(3):750-1.
2008: Jitender P Dubey; Lam Thi Thu Huong; B W L Lawson; D T Subekti; P Tassi; W Cabaj; N Sundar; GV Velmurugan; O C H Kwok; C Su
Seroprevalence and isolation of Toxoplasma gondii from free-range chickens in Ghana, Indonesia, Italy, Poland, and Vietnam.
The Journal of parasitology 2008;94(1):68-71.
2008: Jitender P Dubey; T Quirk; J A Pittt; N Sundar; GV Velmurugan; O C H Kwok; D Leclair; R Hill; C Su
Isolation and genetic characterization of Toxoplasma gondii from raccoons (Procyon lotor), cats (Felis domesticus), striped skunk (Mephitis mephitis), black bear (Ursus americanus), and cougar (Puma concolor) from Canada.
The Journal of parasitology 2008;94(1):42-5.
2008: Jitender P Dubey; Dolores E Hill; N Sundar; GV Velmurugan; LA Bandini; O C H Kwok; V Pierce; K Kelly; M Dulin; Philippe Thulliez; C Iwueke; C Su
Endemic toxoplasmosis in pigs on a farm in Maryland: isolation and genetic characterization of Toxoplasma gondii.
The Journal of parasitology 2008;94(1):36-41.
2008: I Lindström; N Sundar; J Lindh; Fred Kironde; J D Kabasa; O C H Kwok; Jitender P Dubey; Judith E Smith
Isolation and genotyping of Toxoplasma gondii from Ugandan chickens reveals frequent multiple infections.
Parasitology 2008;135(Pt 1):39-45.
2007: Jitender P Dubey; N Sundar; C A Nolden; M D Samuel; GV Velmurugan; LA Bandini; O C H Kwok; B Bodenstein; C Su
Characterization of Toxoplasma gondii from raccoons (Procyon lotor), coyotes (Canis latrans), and striped skunks (Mephitis mephitis) in Wisconsin identified several atypical genotypes.
The Journal of parasitology 2007;93(6):1524-7.
2007: Jitender P Dubey; H Y López-Torres; N Sundar; GV Velmurugan; D Ajzenberg; O C H Kwok; R Hill; Marie-Laure Dardé; C Su
Mouse-virulent Toxoplasma gondii isolated from feral cats on Mona Island, Puerto Rico.
The Journal of parasitology 2007;93(6):1365-9.
2007: Jitender P Dubey; M C B Vianna; O C H Kwok; Dolores E Hill; Katarzyna B Miska; Wenbin Tuo; GV Velmurugan; M Conors; Mark C Jenkins
Neosporosis in Beagle dogs: clinical signs, diagnosis, treatment, isolation and genetic characterization of Neospora caninum.
Veterinary parasitology 2007;149(3-4):158-66.
2007: Jitender P Dubey; Cosme Alvarado Esquivel; Oliver Liesenfeld; R G Herrera-Flores; B E Ramírez-Sánchez; A González-Herrera; Sergio Arturo Martínez-García; LA Bandini; O C H Kwok
Neospora caninum and Toxoplasma gondii antibodies in dogs from Durango City, Mexico.
The Journal of parasitology 2007;93(5):1033-5.
2007: Jitender P Dubey; L Applewhaite; N Sundar; GV Velmurugan; LA Bandini; O C H Kwok; R Hill; C Su
Molecular and biological characterization of Toxoplasma gondii isolates from free-range chickens from Guyana, South America, identified several unique and common parasite genotypes.
Parasitology 2007;134(Pt 11):1559-65.
2007: Jitender P Dubey; D M Webb; N Sundar; GV Velmurugan; LA Bandini; O C H Kwok; C Su
Endemic avian toxoplasmosis on a farm in Illinois: clinical disease, diagnosis, biologic and genetic characteristics of Toxoplasma gondii isolates from chickens (Gallus domesticus), and a goose (Anser anser).
Veterinary parasitology 2007;148(3-4):207-12.
2007: Jitender P Dubey; Jayanthe Rajapakse; R R M K K Wijesundera; N Sundar; GV Velmurugan; O C H Kwok; C Su
Prevalence of Toxoplasma gondii in dogs from Sri Lanka and genetic characterization of the parasite isolates.
Veterinary parasitology 2007;146(3-4):341-6.
2007: Jitender P Dubey; X Q Zhu; N Sundar; H Zhang; O C H Kwok; C Su
Genetic and biologic characterization of Toxoplasma gondii isolates of cats from China.
Veterinary parasitology 2007;145(3-4):352-6.
2007: Jitender P Dubey; J A Cortés-Vecino; J J Vargas-Duarte; N Sundar; GV Velmurugan; L M Bandini; L J Polo; L Zambrano; L E Mora; O C H Kwok; T Smith; C Su
Prevalence of Toxoplasma gondii in dogs from Colombia, South America and genetic characterization of T. gondii isolates.
Veterinary parasitology 2007;145(1-2):45-50.
2007: Wendela Wapenaar; Herman W Barkema; Gereon Schares; K Rouvinen-Watt; L Zeijlemaker; B Poorter; Ryan M O'Handley; O C H Kwok; Jitender P Dubey
Evaluation of four serological techniques to determine the seroprevalence of Neospora caninum in foxes (Vulpes vulpes) and coyotes (Canis latrans) on Prince Edward Island, Canada.
Veterinary parasitology 2007;145(1-2):51-8.
2007: Wendela Wapenaar; Herman W Barkema; John A Vanleeuwen; JT McClure; Ryan M O'Handley; O C H Kwok; P Thulliez; Jitender P Dubey; Mark C Jenkins
Comparison of serological methods for the diagnosis of Neospora caninum infection in cattle.
Veterinary parasitology 2007;143(2):166-73.
2007: Jitender P Dubey; N Sundar; Solange M Gennari; Antonio Minervino; N A R Farias; Jerônimo Ruas; T R B dos Santos; Guacyara T Cavalcante; O C H Kwok; C Su
Biologic and genetic comparison of Toxoplasma gondii isolates in free-range chickens from the northern Pará state and the southern state Rio Grande do Sul, Brazil revealed highly diverse and distinct parasite populations.
Veterinary parasitology 2007;143(2):182-8.
2006: Jitender P Dubey; N Sundar; N Pineda; Niels C Kyvsgaard; L A Luna; E Rimbaud; J B Oliveira; O C H Kwok; Y Qi; C Su
Biologic and genetic characteristics of Toxoplasma gondii isolates in free-range chickens from Nicaragua, Central America.
Veterinary parasitology 2006;142(1-2):47-53.
2006: Jitender P Dubey; C Su; J A Cortés; N Sundar; Jorge Enrique Gomez-Marin; L J Polo; L Zambrano; L E Mora; F Lora; J Jimenez; O C H Kwok; SK Shen; X Zhang; A Nieto; Philippe Thulliez
Prevalence of Toxoplasma gondii in cats from Colombia, South America and genetic characterization of T. gondii isolates.
Veterinary parasitology 2006;141(1-2):42-7.
2006: Jitender P Dubey; M I Bhaiyat; C N L MacPherson; C de Allie; A Chikweto; O C H Kwok; RN Sharma
Prevalence of Toxoplasma gondii in rats (Rattus norvegicus) in Grenada, West Indies.
The Journal of parasitology 2006;92(5):1107-8.
2006: Jitender P Dubey; A N Patitucci; C Su; N Sundar; O C H Kwok; SK Shen
Characterization of Toxoplasma gondii isolates in free-range chickens from Chile, South America.
Veterinary parasitology 2006;140(1-2):76-82.
2006: Jitender P Dubey; C Su; J Oliveira; J A Morales; R V Bolaños; N Sundar; O C H Kwok; SK Shen
Biologic and genetic characteristics of Toxoplasma gondii isolates in free-range chickens from Costa Rica, Central America.
Veterinary parasitology 2006;139(1-3):29-36.
2005: Jitender P Dubey; Jorge Enrique Gomez-Marin; Angela Bedoya; Fabiana Lora; M C B Vianna; D Hill; O C H Kwok; SK Shen; Paula Marcet; Tovi Lehmann
Genetic and biologic characteristics of Toxoplasma gondii isolates in free-range chickens from Colombia, South America.
Veterinary parasitology 2005;134(1-2):67-72.
2005: Jitender P Dubey; R Edelhofer; Paula Marcet; M C B Vianna; O C H Kwok; Tovi Lehmann
Genetic and biologic characteristics of Toxoplasma gondii infections in free-range chickens from Austria.
Veterinary parasitology 2005;133(4):299-306.
2005: Jitender P Dubey; Dolores E Hill; J L Jones; A W Hightower; E Kirkland; J M Roberts; Paula Marcet; Tovi Lehmann; M C B Vianna; Katarzyna B Miska; C Sreekumar; O C H Kwok; SK Shen; H Ray Gamble
Prevalence of viable Toxoplasma gondii in beef, chicken, and pork from retail meat stores in the United States: risk assessment to consumers.
The Journal of parasitology 2005;91(5):1082-93.
2005: J R P Dubey; P A Fair; G D Bossartt; D Hill; Ronald Fayer; C Sreekumar; O C H Kwok; Philippe Thulliez
A comparison of several serologic tests to detect antibodies to Toxoplasma gondii in naturally exposed bottlenose dolphins (Tursiops truncatus).
The Journal of parasitology 2005;91(5):1074-81.
2005: JR Dubey; M I Bhaiyat; C de Allie; C N L MacPherson; RN Sharma; C Sreekumar; M C B Vianna; SK Shen; O C H Kwok; Katarzyna B Miska; Dolores E Hill; Tovi Lehmann
Isolation, tissue distribution, and molecular characterization of Toxoplasma gondii from chickens in Grenada, West Indies.
The Journal of parasitology 2005;91(3):557-60.
2005: Jitender P Dubey; S Karhemere; Erica R Dahl; C Sreekumar; Abdoulaye Diabaté; KR Dabiré; M C B Vianna; O C H Kwok; Tovi Lehmann
First biologic and genetic characterization of Toxoplasma gondii isolates from chickens from Africa (Democratic Republic of Congo, Mali, Burkina Faso, and Kenya).
The Journal of parasitology 2005;91(1):69-72.
2004: Jitender P Dubey; M Z Levy; C Sreekumar; O C H Kwok; SK Shen; Erica R Dahl; Philippe Thulliez; Tovi Lehmann
Tissue distribution and molecular characterization of chicken isolates of Toxoplasma gondii from Peru.
The Journal of parasitology 2004;90(5):1015-8.
2004: Jitender P Dubey; C Sreekumar; E Knickman; Katarzyna B Miska; M C B Vianna; O C H Kwok; Dolores E Hill; Mark C Jenkins; David S Lindsay; C E Greene
Biologic, morphologic, and molecular characterisation of Neospora caninum isolates from littermate dogs.
International journal for parasitology 2004;34(10):1157-67.
2004: Jitender P Dubey; Italmar Teodorico Navarro; C Sreekumar; Erica R Dahl; Roberta Lemos Freire; H H Kawabata; M C B Vianna; O C H Kwok; SK Shen; Philippe Thulliez; Tovi Lehmann
Toxoplasma gondii infections in cats from Paraná, Brazil: seroprevalence, tissue distribution, and biologic and genetic characterization of isolates.
The Journal of parasitology 2004;90(4):721-6.
2004: Jitender P Dubey; Harold Salant; C Sreekumar; Erica R Dahl; M C B Vianna; SK Shen; O C H Kwok; Dan T Spira; Joseph Hamburger; T V Lehmann
High prevalence of Toxoplasma gondii in a commercial flock of chickens in Israel, and public health implications of free-range farming.
Veterinary parasitology 2004;121(3-4):317-22.
2004: Jitender P Dubey; Douglas H Graham; R W De Young; Erica R Dahl; Mark L Eberhard; Eva K Nace; Kimberly Y Won; Henry S Bishop; George A Punkosdy; C Sreekumar; M C B Vianna; SK Shen; O C H Kwok; J A Sumners; S Demarais; J G Humphreys; Tovi Lehmann
Molecular and biologic characteristics of Toxoplasma gondii isolates from wildlife in the United States.
The Journal of parasitology 2004;90(1):67-71.
2003: Jitender P Dubey; Randall L Zarnke; NJ Thomas; S K Wong; William Van Bonn; M Briggs; J W Davis; R Ewing; Mark G Mense; O C H Kwok; Stéphane Romand; Philippe Thulliez
Toxoplasma gondii, Neospora caninum, Sarcocystis neurona, and Sarcocystis canis-like infections in marine mammals.
Veterinary parasitology 2003;116(4):275-96.
2003: Jitender P Dubey; Douglas H Graham; Erica R Dahl; M Hilali; A El-Ghaysh; C Sreekumar; O C H Kwok; SK Shen; Tovi Lehmann
Isolation and molecular characterization of Toxoplasma gondii from chickens and ducks from Egypt.
Veterinary parasitology 2003;114(2):89-95.
2003: Daniele Seipel da Silva; Lilian M G Bahia-Oliveira; SK Shen; O C H Kwok; Tovi Lehman; Jitender P Dubey
Prevalence of Toxoplasma gondii in chickens from an area in southern Brazil highly endemic to humans.
The Journal of parasitology 2003;89(2):394-6.
2002: Jitender P Dubey; David S Lindsay; D Hill; Stéphane Romand; Philippe Thulliez; O C H Kwok; J C R Silva; M C Oliveira-Camargo; Solange M Gennari
Prevalence of antibodies to Neospora caninum and Sarcocystis neurona in sera of domestic cats from Brazil.
The Journal of parasitology 2002;88(6):1251-2.
2002: Jitender P Dubey; David S Lindsay; Benjamin Rosenthal; C Sreekumar; Dolores E Hill; SK Shen; O C H Kwok; Lora G Rickard; SS Black; Ann M Rashmir-Raven
Establishment of Besnoitia darlingi from opossums (Didelphis virginiana) in experimental intermediate and definitive hosts, propagation in cell culture, and description of ultrastructural and genetic characteristics.
International journal for parasitology 2002;32(8):1053-64.
2002: Solange M Gennari; L E O Yai; S N R D'Auria; S M S Cardoso; O C H Kwok; M C Jenkins; Jitender P Dubey
Occurrence of Neospora caninum antibodies in sera from dogs of the city of São Paulo, Brazil.
Veterinary parasitology 2002;106(2):177-9.
2002: Jitender P Dubey; Douglas H Graham; CR Blackston; Tovi Lehmann; Solange M Gennari; A M A Ragozo; Sandra Nishi; SK Shen; O C H Kwok; Dolores E Hill; Philippe Thulliez
Biological and genetic characterisation of Toxoplasma gondii isolates from chickens (Gallus domesticus) from São Paulo, Brazil: unexpected findings.
International journal for parasitology 2002;32(1):99-105.
2001: Jitender P Dubey; David S Lindsay; Benjamin Rosenthal; CE Kerber; Nobuko Kasai; Hilda F J Pena; O C H Kwok; SK Shen; Solange M Gennari
Isolates of Sarcocystis falcatula-like organisms from South American opossums Didelphis marsupialis and Didelphis albiventris from São Paulo, Brazil.
The Journal of parasitology 2001;87(6):1449-53.
2001: Jitender P Dubey; W J A Saville; JF Stanek; David S Lindsay; Benjamin Rosenthal; Michael Oglesbee; Alexa C Rosypal; Chinedu J Njoku; Roger W Stich; O C H Kwok; SK Shen; Amir N Hamir; Stephen M Reed
Sarcocystis neurona infections in raccoons (Procyon lotor): evidence for natural infection with sarcocysts, transmission of infection to opossums (Didelphis virginiana), and experimental induction of neurologic disease in raccoons.
Veterinary parasitology 2001;100(3-4):117-29.
2001: Jitender P Dubey; David S Lindsay; O C H Kwok; SK Shen
The gamma interferon knockout mouse model for sarcocystis neurona: comparison of infectivity of sporocysts and merozoites and routes of inoculation.
The Journal of parasitology 2001;87(5):1171-3.
2001: Walter Basso; Lucila Venturini; Maria Cecilia Venturini; Dolores E Hill; O C H Kwok; SK Shen; Jitender P Dubey
First isolation of Neospora caninum from the feces of a naturally infected dog.
The Journal of parasitology 2001;87(3):612-8.
2001: Jitender P Dubey; David S Lindsay; CE Kerber; Nobuko Kasai; Hilda F J Pena; Solange M Gennari; O C H Kwok; SK Shen; Benjamin Rosenthal
First isolation of Sarcocystis neurona from the South American opossum, Didelphis albiventris, from Brazil.
Veterinary parasitology 2001;95(2-4):295-304.
2001: Jitender P Dubey; SS Black; Lora G Rickard; Benjamin Rosenthal; David S Lindsay; SK Shen; O C H Kwok; G Hurst; Ann M Rashmir-Raven
Prevalence of Sarcocystis neurona sporocysts in opossums (Didelphis virginiana) from rural Mississippi.
Veterinary parasitology 2001;95(2-4):283-93.
2001: Jitender P Dubey; Donald E Mattson; Clarence A Speer; Amir N Hamir; David S Lindsay; Benjamin Rosenthal; O C H Kwok; R J Baker; D M Mulrooney; Susan J Tornquist; TC Gerros
Characteristics of a recent isolate of Sarcocystis neurona (SN7) from a horse and loss of pathogenicity of isolates SN6 and SN7 by passages in cell culture.
Veterinary parasitology 2001;95(2-4):155-66.
2001: Jitender P Dubey; DL Fritz; David S Lindsay; SK Shen; O C H Kwok; K C Thompson
Diclazuril preventive therapy of gamma interferon knockout mice fed Sarcocystis neurona sporocysts.
Veterinary parasitology 2001;94(4):257-64.
2000: Jitender P Dubey; W J A Saville; David S Lindsay; Roger W Stich; JF Stanek; C A Speert; Benjamin Rosenthal; Chinedu J Njoku; O C H Kwok; SK Shen; Stephen M Reed
Completion of the life cycle of Sarcocystis neurona.
The Journal of parasitology 2000;86(6):1276-80.
1999: Jitender P Dubey; Philippe Thulliez; Stéphane Romand; O C H Kwok; SK Shen; H Ray Gamble
Serologic prevalence of Toxoplasma gondii in horses slaughtered for food in North America.
Veterinary parasitology 1999;86(4):235-8.
1999: Jitender P Dubey; K Hollis; Stéphane Romand; Philippe Thulliez; O C H Kwok; Laura L Hungerford; C Anchor; D Etter
High prevalence of antibodies to Neospora caninum in white-tailed deer (Odocoileus virginianus).
International journal for parasitology 1999;29(10):1709-11.
1999: Jitender P Dubey; Stéphane Romand; Philippe Thulliez; O C H Kwok; SK Shen; H Ray Gamble
Prevalence of antibodies to Neospora caninum in horses in North America.
The Journal of parasitology 1999;85(5):968-9.
1999: Jitender P Dubey; SK Shen; O C H Kwok; J K Frenkel
Infection and immunity with the RH strain of Toxoplasma gondii in rats and mice.
The Journal of parasitology 1999;85(4):657-62.
1999: Jitender P Dubey; S T Storandt; O C H Kwok; Philippe Thulliez; K R Kazacos
Toxoplasma gondii antibodies in naturally exposed wild coyotes, red foxes, and gray foxes and serologic diagnosis of Toxoplasmosis in red foxes fed T. gondii oocysts and tissue cysts.
The Journal of parasitology 1999;85(2):240-3.
1998: Jitender P Dubey; K R Dorough; Mark C Jenkins; Susan Liddell; Clarence A Speer; O C H Kwok; SK Shen
Canine neosporosis: clinical signs, diagnosis, treatment and isolation of Neospora caninum in mice and cell culture.
International journal for parasitology 1998;28(8):1293-304.
1998: Jitender P Dubey; Joan K Lunney; SK Shen; O C H Kwok
Immunity to toxoplasmosis in pigs fed irradiated Toxoplasma gondii oocysts.
The Journal of parasitology 1998;84(4):749-52.
1998: Jitender P Dubey; Stéphane Romand; M Hilali; O C H Kwok; Philippe Thulliez
Seroprevalence of antibodies to Neospora caninum and Toxoplasma gondii in water buffaloes (Bubalus bubalis) from Egypt.
International journal for parasitology 1998;28(3):527-9.
1998: M Hilali; Stéphane Romand; Philippe Thulliez; O C H Kwok; Jitender P Dubey
Prevalence of Neospora caninum and Toxoplasma gondii antibodies in sera from camels from Egypt.
Veterinary parasitology 1998;75(2-3):269-71.
1997: Jitender P Dubey; Mark C Jenkins; D S Adams; Milton M McAllister; RC Anderson-Sprecher; Timothy V Baszler; O C H Kwok; NC Lally; Camilla Björkman; Arvid Uggla
Antibody responses of cows during an outbreak of neosporosis evaluated by indirect fluorescent antibody test and different enzyme-linked immunosorbent assays.
The Journal of parasitology 1997;83(6):1063-9.
1997: JP Dubey; Clarence A Speer; SK Shen; O C H Kwok; JA Blixt
Oocyst-induced murine toxoplasmosis: life cycle, pathogenicity, and stage conversion in mice fed Toxoplasma gondii oocysts.
The Journal of parasitology 1997;83(5):870-82.
1997: Jitender P Dubey; SK Shen; O C H Kwok; Philippe Thulliez
Toxoplasmosis in rats (Rattus norvegicus): congenital transmission to first and second generation offspring and isolation of Toxoplasma gondii from seronegative rats.
Parasitology 1997;115 ( Pt 1)():9-14.
1997: Jitender P Dubey; C D Andrews; Philippe Thulliez; P Lind; O C H Kwok
Long-term humoral antibody responses by various serologic tests in pigs orally inoculated with oocysts of four strains of Toxoplasma gondii.
Veterinary parasitology 1997;68(1-2):41-50.
1996: Jitender P Dubey; C D Andrews; P Lind; O C H Kwok; Philippe Thulliez; J K Lunney
Antibody responses measured by various serologic tests in pigs orally inoculated with low numbers of Toxoplasma gondii oocysts.
American journal of veterinary research 1996;57(12):1733-7.
1996: Jitender P Dubey; Mark C Jenkins; D W Thayer; O C H Kwok; SK Shen
Killing of Toxoplasma gondii oocysts by irradiation and protective immunity induced by vaccination with irradiated oocysts.
The Journal of parasitology 1996;82(5):724-7.
1996: Jitender P Dubey; J K Lunney; SK Shen; O C H Kwok; D A Ashford; Philippe Thulliez
Infectivity of low numbers of Toxoplasma gondii oocysts to pigs.
The Journal of parasitology 1996;82(3):438-43.
1995: Ronald M Weigel; Jitender P Dubey; A M Siegel; Uriel Kitron; A Mannelli; M A Mitchell; N E Mateus-Pinilla; Philippe Thulliez; SK Shen; O C H Kwok
Risk factors for transmission of Toxoplasma gondii on swine farms in Illinois.
The Journal of parasitology 1995;81(5):736-41.
1995: Jitender P Dubey; Ronald M Weigel; A M Siegel; Philippe Thulliez; Uriel Kitron; M A Mitchell; A Mannelli; N E Mateus-Pinilla; SK Shen; O C H Kwok
Sources and reservoirs of Toxoplasma gondii infection on 47 swine farms in Illinois.
The Journal of parasitology 1995;81(5):723-9.
1994: Jitender P Dubey; M A Goodwin; M D Ruff; O C H Kwok; SK Shen; G C Wilkins; Philippe Thulliez
Experimental toxoplasmosis in Japanese quail.
Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc 1994;6(2):216-21.
1994: Jitender P Dubey; M D Ruff; G C Wilkins; SK Shen; O C H Kwok
Experimental toxoplasmosis in pheasants (Phasianus colchicus).
Journal of wildlife diseases 1994;30(1):40-5.
1993: Jitender P Dubey; M E Camargo; M D Ruff; G C Wilkins; SK Shen; O C H Kwok; Philippe Thulliez
Experimental toxoplasmosis in turkeys.
The Journal of parasitology 1993;79(6):949-52.
1993: Jitender P Dubey; M D Ruff; O C H Kwok; SK Shen; G C Wilkins; Philippe Thulliez
Experimental toxoplasmosis in bobwhite quail (Colinus virginianus).
The Journal of parasitology 1993;79(6):935-9.
1993: J P Dubey; M D Ruff; M E Camargo; SK Shen; G L Wilkins; O C H Kwok; Philippe Thulliez
Serologic and parasitologic responses of domestic chickens after oral inoculation with Toxoplasma gondii oocysts.
American journal of veterinary research 1993;54(10):1668-72.