World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
70
Citations
13549
World Ranking
1982
National Ranking
836

Overview

Oliver C. H. Kwok is affiliated with the United States Department of Agriculture in the United States. Their research primarily focuses on parasitology, immunology, microbiology, and medicine, with a significant contribution to the study of infectious diseases and epidemiology.

Kwok's work is extensively represented in the fields of immunology and microbiology, with 67 publications, alongside 29 in medicine. Their subfields of study include parasitology (52 publications), epidemiology (20 publications), virology (14 publications), and additional research in public health, environmental and occupational health, and infectious diseases.

The main topics of their research encompass:

  • Toxoplasma gondii Research Studies
  • Parasitic Infections and Diagnostics
  • Herpesvirus Infections and Treatments
  • Rabies epidemiology and control
  • Cytomegalovirus and herpesvirus research
  • Travel-related health issues
  • Animal Disease Management and Epidemiology

Oliver C. H. Kwok has coauthored frequently with several researchers, including:

  • J. P. Dubey
  • Camila K. Cerqueira-Cézar
  • F. Murata
  • Chunlei Su
  • Benjamin M. Rosenthal

Their publications appear in notable scientific journals, with multiple papers in these venues:

  • Parasitology
  • Journal of Parasitology
  • Veterinary Parasitology
  • Research in Veterinary Science
  • Parasites & Vectors

Representative recent papers authored or coauthored by Kwok include:

  • All about toxoplasmosis in cats: the last decade, 2020, Veterinary Parasitology
  • Congenital toxoplasmosis in humans: an update of worldwide rate of congenital infections, 2021, Parasitology
  • Economic and public health importance of Toxoplasma gondii infections in sheep: 2009-2020, 2020, Veterinary Parasitology
  • Public health and economic importance of Toxoplasma gondii infections in goats: The last decade, 2020, Research in Veterinary Science
  • All about Toxoplasma gondii infections in pigs: 2009-2020, 2020, Veterinary Parasitology

Best Publications

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

    J. P. Dubey;L. Applewhaite;N. Sundar;G. V. Velmurugan

  • PREVALENCE OF VIABLE TOXOPLASMA GONDII IN BEEF, CHICKEN, AND PORK FROM RETAIL MEAT STORES IN THE UNITED STATES: RISK ASSESSMENT TO CONSUMERS

    J. P. Dubey;D. E. Hill;J. L. Jones;A. W. Hightower

  • Toxoplasma gondii, Neospora caninum, Sarcocystis neurona, and Sarcocystis canis-like infections in marine mammals

    J.P Dubey;R Zarnke;N.J Thomas;S.K Wong

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

    J.P Dubey;D.H Graham;C.R Blackston;T Lehmann

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

    J. P. Dubey;R. M. Weigel;A. M. Siegel;P. Thulliez

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

    J.P. Dubey;M.C. Jenkins;C. Rajendran;K. Miska

  • Oocyst-induced murine toxoplasmosis : Life cycle, pathogenicity, and stage conversion in mice fed Toxoplasma gondii oocysts

    J. P. Dubey;C. A. Speer;S. K. Shen;O. C. H. Kwok

  • 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

    J.P. Dubey;N. Sundar;S.M. Gennari;A.H.H. Minervino

  • Infectivity of low numbers of Toxoplasma gondii oocysts to pigs.

    J. P. Dubey;J. K. Lunney;S. K. Shen;O. C. H. Kwok

  • High Prevalence and Abundant Atypical Genotypes of Toxoplasma Gondii Isolated From Lambs Destined for Human Consumption in the USA

    J.P. Dubey;N. Sundar;D. Hill;G.V. Velmurugan

  • First Isolation of Neospora caninum From the Feces of a Naturally Infected Dog

    W. Basso;L. Venturini;M. C. Venturini;D. E. Hill;D. E. Hill

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

    J. P. Dubey;G. V. Velmurugan;C. Rajendran;M. J. Yabsley

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

    J.P. Dubey;C. Su;J.A. Cortés;N. Sundar

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

    J. P. Dubey;C. Rajendran;L. R. Ferreira;J. Martins

  • Risk factors for transmission of Toxoplasma gondii on swine farms in Illinois.

    R. M. Weigel;J. P. Dubey;A. M. Siegel;U. D. Kitron

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

    J.P. Dubey;X.Q. Zhu;N. Sundar;H. Zhang

  • All about toxoplasmosis in cats: the last decade.

    J.P. Dubey;C.K. Cerqueira-Cézar;F.H.A. Murata;O.C.H. Kwok

  • TOXOPLASMA GONDII INFECTIONS IN CATS FROM PARANÁ, BRAZIL: SEROPREVALENCE, TISSUE DISTRIBUTION, AND BIOLOGIC AND GENETIC CHARACTERIZATION OF ISOLATES

    J. P. Dubey;I. T. Navarro;C. Sreekumar;E. Dahl

  • Congenital toxoplasmosis in humans: an update of worldwide rate of congenital infections

    J P Dubey;F H A Murata;C K Cerqueira-Cézar;O C H Kwok

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

    J.P. Dubey;D.H. Graham;E. Dahl;M. Hilali

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

    J.P. Dubey;A.N. Patitucci;C. Su;N. Sundar

  • COMPLETION OF THE LIFE CYCLE OF SARCOCYSTIS NEURONA

    J. P. Dubey;W. J A. Saville;D. S. Lindsay;R. W. Stich

Frequent Co-Authors

Jitender P. Dubey
Jitender P. Dubey Agricultural Research Service
Chunlei Su
Chunlei Su University of Tennessee at Knoxville
Dolores E. Hill
Dolores E. Hill United States Department of Agriculture
Mark C. Jenkins
Mark C. Jenkins United States Department of Agriculture
David S. Lindsay
David S. Lindsay Virginia Tech
Tovi Lehmann
Tovi Lehmann National Institutes of Health
C. Sreekumar
C. Sreekumar Tamil Nadu Veterinary and Animal Sciences University
Solange Maria Gennari
Solange Maria Gennari Universidade de São Paulo
Isabelle Villena
Isabelle Villena University of Reims Champagne-Ardenne
Hilda Fátima de Jesus Pena
Hilda Fátima de Jesus Pena Universidade de São Paulo

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