Breadcrumbs Infectious Disease Epidemiology & Prevention Division Vector-Borne and Zoonotic Disease Vector-Borne Diseases Current: Mosquito-Borne Diseases Mosquito-Borne Diseases Diseases in Indiana West Nile virusEastern Equine EncephalitisLa Crosse Encephalitis virusSt. Louis Encephalitis virusCalifornia serogroup viruses Imported Diseases Chikungunya virusDengue virusMalariaZika virusYellow Fever virusFor International Travelers Maps and Statistics Indiana West Nile virus Human CasesNational Arboviral Surveillance Maps For Healthcare Providers West Nile Virus InformationZika Virus Testing GuidanceLab Specimen SubmissionReporting InformationAlgorithm for Diagnosis and Treatment of Malaria in the U.S.CDC Updates on Locally Acquired Malaria Cases in Florida, Texas, and Maryland Mosquito Prevention Learn More Aedes albopictus Learn More Aedes triseriatus Learn More Culex species Learn More Culiseta melanura Learn More Coquillettidia perturbans Learn More Page Last Updated: August 30, 2023