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Photo: William Reisen

William Reisen- BS, MS, PhD
Adjunct Professor
Pathology, Microbiology & Immunology

5329 Vet Med 3A
Davis, CA 95616

+1 530 752 0124


Research Focus


Specialty Focus



1967 BS Entomology-Plant Pathology, University of Delaware, Newark, DE
1968 MS Zoology, Clemson University, Clemson, SC
1974 PhD Zoology, University of Oklahoma, Normal, OK

Honors and Awards

2012 Harry Hoogstraal Medal, American Society of Tropical Medicine and Hygiene and the American Committee of Medical Entomology
2006 John N. Belkin Award for Excellence in Vector Ecology, American Mosquito Control Association.
2006 Distinguished Service Award, Society for Vector Ecology.
2004 Academic Federation Award for Excellence in Research, University of California, Davis.
2003 Fellow, Entomological Society of America.
2001 Lifetime Award for Achievement in Medical Entomology, Society for Vector Ecology, International Congress.
1996-1998 Secretary, Chairman Elect, Chairman, Section D Medical Entomology, Entomological Society of America
1992 Leader, People to People delegation of Vector Ecologists to the People’s Republic of China
1989-1994 American Committee on Medical Entomology, American Society of Tropical Medicine and Hygiene
1989-1992 Vice President, President Elect and President, Society of Vector Ecology
1974 Arthur T. Bragg Award for outstanding research in natural history, University of Oklahoma
1972 Sigma Xi Student Research Award

Active Research Grants

Principal Investigator, Surveillance testing of mosquitoes and birds in California, (Principal Investigator), Mosquito and Vector Control Association of California

Principal Investigator, Persistence of West Nile virus in California, (Principal Investigator), NIAID - NIH

Principal Investigator, Risk of introduction and establishment of emerging arboviruses in California, (Principal Investigator), Mosquito Research Foundation

Co-Principal Investigator, Integrated population-based surveillance for West Nile virus activity in four California Counties and Surveillance of West Nile in California, C Glaser (Principal Investigator), CDC, ELC

Principal Investigator, Surveillance and control of arboviruses in Coachella Valley, California, (Principal Investigator), CMVCA Foundation [Coachella Valley MVCD]

Principal Investigator, Prevention, Surveillance and Control of Vector-Borne, Zoonotic and Infectious Diseases, with an Emphasis on West Nile virus, (Principal Investigator), California Department of Public Health

Collaborator, Research and Policy for Infectious Disease Dynamics, (Principal Investigator), Fogarty International Center, National Institutes of Health Science and Technology Directorate, Depa

Co-Investigator, Training Program in the Biology of Disease Vectors, G Lanzaro (Principal Investigator), NIAID NIH

Principal Investigator, Impact of climate change on mosquito-borne arbovirus transmission, (Principal Investigator), CDC Atlanta

Most Recent 10 Publications

  • Link Icon 2012 Fetcher-Leggett E, Nelms B, Barker C, Reisen WK West Nile virus cluster analysis and vertical transmission in Culex pipiens complex mosquitoes in Sacramento and Yolo Counties, California, 2011 J Vector Ecol,
  • Link Icon 2012 Lothrop HD, Wheeler SS, Fang Y, Reisen WK Use of scented sugar bait stations to track mosquitoborne arbovirus transmission in California J Med Entomol,
  • Link Icon 2012 Kwan JL, Park BK, Carpenter TE, Ngo V, Civen R, Reisen WK Comparison of enzootic risk measures for predicting West Nile disease, Los Angeles, California, USA, 2004-2010 Emerg Infect Dis,
  • Link Icon 2012 Thiemann TC, Brault AC, Ernest HB, Reisen WK Development of a high-throughput microsphere-based molecular assay to identify 15 common bloodmeal hosts of Culex mosquitoes Mol Ecol Resour,
  • Link Icon 2012 Kwan JL, Kluh S, Reisen WK Antecedent avian immunity limits tangential transmission of West Nile virus to humans PLoS One,
  • Link Icon 2012 Wheeler SS, Vineyard MP, Woods LW, Reisen WK Dynamics of West Nile Virus Persistence in House Sparrows (Passer domesticus) PLoS Negl Trop Dis,
  • Link Icon 2012 Maharaj PD, Anishchenko M, Langevin SA, Fang Y, Reisen WK, Brault AC Structural gene (prME) chimeras of St Louis encephalitis virus and West Nile virus exhibit altered in vitro cytopathic and growth phenotypes J Gen Virol,
  • Link Icon 2012 Brault AC, Fang Y, Dannen M, Anishchenko M, Reisen WK A naturally occurring mutation within the probe-binding region compromises a molecular-based West Nile virus surveillance assay for mosquito pools (Diptera: Culicidae) J Med Entomol,
  • Link Icon 2012 Thiemann TC, Lemenager DA, Kluh S, Carroll BD, Lothrop HD, Reisen WK Spatial variation in host feeding patterns of Culex tarsalis and the Culex pipiens complex (Diptera: Culicidae) in California J Med Entomol,
  • Link Icon 2012 Wheeler SS, Vineyard MP, Barker CM, Reisen WK Importance of recrudescent avian infection in West Nile virus overwintering: incomplete antibody neutralization of virus allows infrequent vector infection J Med Entomol,

Most Recent 5 Book Chapters

2012 Walton WC, Reisen WK: Influence of Climate Change on Mosquito Development and Bloodfeeding Patterns, , Viral Infections and Climate Change. .

2012 Brault AC, Reisen WK: Environmental perturbations that influence arboviral host range: insights into emergence mechanisms, , Viral Infections and Climate Change. .

2011 Lozano-Fuentes S, Barker CM, Coleman M, Park BB, Reisen WK, Eisen L: Emerging information technologies to provide improved decision support for surveillance, prevention, and control of vector-borne diseases, Jao C, (ed), Efficient Decision Support Systems - Practice and Challenges in Biomedical Related Domain, Rijeka. 89-114.

2010 Weaver SC, Reisen WK: Present and Future Arboviral Threats, , Antiviral Research. 328-345.

2009 Reisen WK: Malaria, Carde R, Resh V, (ed), Encyclopedia of Insects, 3rd Edition, Oxford, UK. .

External Links