Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York, United States of America.|Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, United States of America.|Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York, United States of America.|Center for Vectorborne Diseases, University of California Davis, Davis, California.|St. Tammany Parish Mosquito Abatement District, St. Tammany Parish, Slidell, Louisiana, United States of America.|Arthropod-Borne Disease Laboratory, Suffolk County Department of Health Services, Yaphank, New York, United States of America.|Vector Control Division, Maricopa County Environmental Services Department, Phoenix, Arizona, United States of America.|Northwest Mosquito Abatement District, Wheeling, Illinois, United States of America.|Iberia Parish Mosquito Abatement District, Iberia Parish, New Iberia, Louisiana, United States of America.|Vector Control Division, Maricopa County Environmental Services Department, Phoenix, Arizona, United States of America.|Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York, United States of America.