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List of works by Oliver C Kwok

A comparison of several serologic tests to detect antibodies to Toxoplasma gondii in naturally exposed bottlenose dolphins (Tursiops truncatus).

scientific article published in October 2005

A new atypical genotype mouse virulent strain of Toxoplasma gondii isolated from the heart of a wild caught puma (Felis concolor) from Durango, Mexico

scientific article

A new atypical highly mouse virulent Toxoplasma gondii genotype isolated from a wild black bear in Alaska

scientific article

An investigation into the seroprevalence ofToxoplasma gondii,Bartonellaspp., feline immunodeficiency virus (FIV), and feline leukaemia virus (FeLV) in cats in Addis Ababa, Ethiopia

scientific article published on August 2, 2012

Antibody responses measured by various serologic tests in pigs orally inoculated with low numbers of Toxoplasma gondii oocysts

scientific article published in December 1996

Antibody responses of cows during an outbreak of neosporosis evaluated by indirect fluorescent antibody test and different enzyme-linked immunosorbent assays

scientific article published in December 1997

Biologic and genetic characteristics of Toxoplasma gondii isolates in free-range chickens from Costa Rica, Central America

scientific article published on 29 March 2006

Biologic and genetic characteristics of Toxoplasma gondii isolates in free-range chickens from Nicaragua, Central America

scientific article published on 28 July 2006

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

scientific article published on 18 September 2006

Biologic, morphologic, and molecular characterisation of Neospora caninum isolates from littermate dogs

scientific article

Biological and genetic characterisation of Toxoplasma gondii isolates from chickens (Gallus domesticus) from São Paulo, Brazil: unexpected findings

scientific article published in January 2002

Canine neosporosis: clinical signs, diagnosis, treatment and isolation of Neospora caninum in mice and cell culture

scientific article published on August 1, 1998

Characterization of Toxoplasma gondii from raccoons (Procyon lotor), coyotes (Canis latrans), and striped skunks (Mephitis mephitis) in Wisconsin identified several atypical genotypes.

scientific article

Characterization of Toxoplasma gondii isolates in free-range chickens from Chile, South America

scientific article

Characterization of the Eimeria maxima sporozoite surface protein IMP1.

scientific article

Congenital transmission of Neospora caninum in white-tailed deer (Odocoileus virginianus)

scientific article published on March 14, 2013

Detection and survival of Toxoplasma gondii in milk and cheese from experimentally infected goats

scientific article published on October 2014

Diclazuril preventive therapy of gamma interferon knockout mice fed Sarcocystis neurona sporocysts

scientific article

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).

scientific article published on 25 July 2007

Epidemiology of toxoplasmosis in white tailed deer (Odocoileus virginianus): occurrence, congenital transmission, correlates of infection, isolation, and genetic characterization of Toxoplasma gondii

scientific article published on 3 February 2014

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

scientific article published on July 2002

Experimental toxoplasmosis in bobwhite quail (Colinus virginianus).

scientific article published in December 1993

Experimental toxoplasmosis in chukar partridges(Alectoris graeca).

scientific article

Experimental toxoplasmosis in pheasants (Phasianus colchicus).

scientific article published in January 1994

Experimental toxoplasmosis in turkeys

scientific article published in December 1993

Fatal toxoplasmosis in free-ranging endangered 'Alala from Hawaii

scientific article published in April 2000

First biologic and genetic characterization of Toxoplasma gondii isolates from chickens from Africa (Democratic Republic of Congo, Mali, Burkina Faso, and Kenya).

scientific article published in February 2005

First isolation of Neospora caninum from the feces of a naturally infected dog.

scientific article published in June 2001

First isolation of Sarcocystis neurona from the South American opossum, Didelphis albiventris, from Brazil

scientific article published in February 2001

Genetic and biologic characteristics of Toxoplasma gondii infections in free-range chickens from Austria.

scientific article

Genetic and biologic characteristics of Toxoplasma gondii isolates in free-range chickens from Colombia, South America.

scientific article

Genetic and biologic characterization of Toxoplasma gondii isolates of cats from China

scientific article

Genetic characterisation of Toxoplasma gondii in wildlife from North America revealed widespread and high prevalence of the fourth clonal type

scientific article published on July 19, 2011

Genetic characterization of viable Toxoplasma gondii isolates from stray dogs from Giza, Egypt

scientific article published on December 20, 2012

Genotyping Toxoplasma gondii from wildlife in Pennsylvania and identification of natural recombinants virulent to mice

scientific article published on 14 November 2013

Gray wolf (Canis lupus) is a natural definitive host for Neospora caninum

scientific article published on May 20, 2011

High prevalence and abundant atypical genotypes of Toxoplasma gondii isolated from lambs destined for human consumption in the USA.

scientific article

High prevalence and genotypes of Toxoplasma gondii isolated from goats, from a retail meat store, destined for human consumption in the USA

scientific article published on April 7, 2011

High prevalence of Toxoplasma gondii in a commercial flock of chickens in Israel, and public health implications of free-range farming

scientific article

Immunity to Toxoplasmosis in Pigs Fed Irradiated Toxoplasma gondii Oocysts

scientific article published on August 1, 1998

Infectivity of low numbers of Toxoplasma gondii oocysts to pigs.

scientific article published in June 1996

Isolates of Sarcocystis falcatula-like organisms from South American opossums Didelphis marsupialis and Didelphis albiventris from São Paulo, Brazil

scientific article published in December 2001

Isolation and RFLP genotyping of Toxoplasma gondii from the domestic dogs (Canis familiaris) from Grenada, West Indies revealed high genetic variability

scientific article published on 30 July 2013

Isolation and RFLP genotyping of Toxoplasma gondii from the gray wolf (Canis lupus).

scientific article published on 21 May 2013

Isolation and characterization of new genetic types of Toxoplasma gondii and prevalence of Trichinella murrelli from black bear (Ursus americanus).

scientific article published on 28 February 2013

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

scientific article published in May 2009

Isolation and genetic characterization of Toxoplasma gondii from mute swan (Cygnus olor) from the USA.

scientific article published on 9 January 2013

Isolation and genetic characterization of viable Toxoplasma gondii from tissues and feces of cats from the central region of China

scientific article published on 15 May 2015

Isolation and genotyping of Toxoplasma gondii from Ugandan chickens reveals frequent multiple infections

scientific article published on 25 September 2007

Isolation and molecular characterization of Toxoplasma gondii from chickens and ducks from Egypt

scientific article

Isolation of Toxoplasma gondii from animals in Durango, Mexico

scientific article

Isolation of Toxoplasma gondii from bottlenose dolphins (Tursiops truncatus).

scientific article published in August 2008

Isolation of ViableToxoplasma gondiifrom Tissues and Feces of Cats from Addis Ababa, Ethiopia

scientific article published on June 27, 2012

Isolation of viable Neospora caninum from brains of wild gray wolves (Canis lupus).

scientific article published on 9 January 2014

Isolation of viable Toxoplasma gondii, molecular characterization, and seroprevalence in elk (Cervus canadensis) in Pennsylvania, USA.

scientific article

Long-term humoral antibody responses by various serologic tests in pigs orally inoculated with oocysts of four strains of Toxoplasma gondii

scientific article

Low Seroprevalence of Toxoplasma gondii in Feral Pigs from a Remote Island Lacking Cats

scientific article published on October 1, 1997

Molecular and biologic characteristics of Toxoplasma gondii isolates from wildlife in the United States

scientific article published in February 2004

Molecular and biological characterization of Toxoplasma gondii isolates from free-range chickens from Guyana, South America, identified several unique and common parasite genotypes

scientific article published on 18 June 2007

Mouse-virulent Toxoplasma gondii isolated from feral cats on Mona Island, Puerto Rico.

scientific article

Neospora caninum and Toxoplasma gondii antibodies in dogs from Durango City, Mexico

scientific article

Neosporosis in Beagle dogs: clinical signs, diagnosis, treatment, isolation and genetic characterization of Neospora caninum

scientific article published on 24 September 2007

New Toxoplasma gondii genotypes isolated from free-range chickens from the Fernando de Noronha, Brazil: unexpected findings

scientific article

Occurrence of Neospora caninum antibodies in sera from dogs of the city of São Paulo, Brazil

scientific article published in June 2002

Occurrence, isolation, and genetic characterization of Toxoplasma gondii from white-tailed deer (Odocoileus virginianus) in New Jersey

scientific article published on 10 April 2013

Oocyst-Induced Murine Toxoplasmosis: Life Cycle, Pathogenicity, and Stage Conversion in Mice Fed Toxoplasma gondii Oocysts

scientific article published on October 1, 1997

Prevalence of Sarcocystis neurona sporocysts in opossums (Didelphis virginiana) from rural Mississippi

scientific article published in February 2001

Prevalence of Toxoplasma gondii from free-range chickens (Gallus domesticus) from Addis Ababa, Ethiopia

scientific article published on 21 December 2012

Prevalence of Toxoplasma gondii in cats from Colombia, South America and genetic characterization of T. gondii isolates

scientific article published on 22 June 2006

Prevalence of Toxoplasma gondii in chickens from an area in southern Brazil highly endemic to humans

scientific article published on April 2003

Prevalence of Toxoplasma gondii in dogs from Colombia, South America and genetic characterization of T. gondii isolates

scientific article

Prevalence of Toxoplasma gondii in dogs from Sri Lanka and genetic characterization of the parasite isolates

scientific article published on 17 April 2007

Prevalence of Toxoplasma gondii in rats (Rattus norvegicus) in Grenada, West Indies

scientific article published in October 2006

Prevalence of antibodies to Neospora caninum in horses in North America.

scientific article

Prevalence of antibodies to Toxoplasma gondii in dogs from northeastern Portugal

scientific article published on 23 November 2010

Sarcocystis neurona infection in gamma interferon gene knockout (KO) mice: Comparative infectivity of sporocysts in two strains of KO mice, effect of trypsin digestion on merozoite viability, and infectivity of bradyzoites to KO mice and cell culture

scientific article published on January 12, 2013

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

scientific article published in October 2001

Serologic and parasitologic responses of domestic chickens after oral inoculation with Toxoplasma gondii oocysts.

scientific article published in October 1993

Serologic survey for Toxoplasma gondii in grizzly bears from Alaska

scientific article published in April 1997

Serologic survey for Toxoplasma gondii in lynx from interior Alaska

scientific article

Serologic survey for Toxoplasma gondii in selected wildlife species from Alaska

scientific article published in April 2000

Serologic survey of Neospora caninum infection in a closed dairy cattle herd in Maryland: risk of serologic reactivity by production groups

scientific article published in June 2000

Serological and Parasitological Prevalence of Toxoplasma gondii in Wild Birds From Colorado

scientific article published on July 2, 2010

Seropositivity of Toxoplasma gondii in domestic donkeys (Equus asinus) and isolation of T. gondii from farm cats

scientific article published on 28 September 2013

Seroprevalence and isolation of Toxoplasma gondii from free-range chickens in Ghana, Indonesia, Italy, Poland, and Vietnam

scientific article

Seroprevalence of Toxoplasma gondii From Free-Ranging Black Bears (Ursus americanus) From Florida

scientific article published on December 12, 2011

Seroprevalence of Toxoplasma gondii and Concurrent Bartonella spp., Feline Immunodeficiency Virus, Feline Leukemia Virus, and Dirofilaria immitis Infections in Egyptian Cats

scientific article published on October 14, 2010

Seroprevalence of Toxoplasma gondii and concurrent Bartonella spp., feline immunodeficiency virus, and feline leukemia virus infections in cats from Grenada, West Indies

scientific article published on 22 April 2009

Seroprevalence of Toxoplasma gondii in White-Tailed Deer (Odocoileus virginianus) and Free-Roaming Cats (Felis catus) Across a Suburban to Urban Gradient in Northeastern Ohio

scientific article published on October 2014

Seroprevalence of antibodies to Neospora caniuum and Toxoplasma gondii in water buffaloes (Bubalus bubalis) from Egypt

scientific article published on March 1, 1998

Sources and reservoirs of Toxoplasma gondii infection on 47 swine farms in Illinois.

scientific article

Surveillance of feral swine for Trichinella spp. and Toxoplasma gondii in the USA and host-related factors associated with infection

scientific article published on 12 August 2014

The gamma interferon knockout mouse model for sarcocystis neurona: comparison of infectivity of sporocysts and merozoites and routes of inoculation

scientific article published in October 2001

Toxoplasma gondii and Neospora caninum antibodies in dogs from Grenada, West Indies

scientific article published in June 2008

Toxoplasma gondii infections in cats from Paraná, Brazil: seroprevalence, tissue distribution, and biologic and genetic characterization of isolates

scientific article published in August 2004

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

scientific article

Toxoplasmosis in captive dolphins (Tursiops truncatus) and walrus (Odobenus rosmarus).

scientific article

Toxoplasmosis in rats (Rattus norvegicus): congenital transmission to first and second generation offspring and isolation of Toxoplasma gondii from seronegative rats

scientific article published on July 1, 1997

Toxoplasmosis in sentinel chickens (Gallus domesticus) in New England farms: Seroconversion, distribution of tissue cysts in brain, heart, and skeletal muscle by bioassay in mice and cats

scientific article published on 8 September 2015