Eastern Equine Encephalitis is transmitted by which species?

Eastern Equine Encephalitis is transmitted by which species?

• A. Culiseta melanura
• B. Ochlerotatus triseriatus
• C. Aedes aegypti
• D. Culex quinquefasciatus

Answer: (A)

Eastern Equine Encephalitis virus is maintained in nature primarily through an bird–mosquito cycle, with Culiseta melanura serving as the main enzootic vector. This species tends to inhabit swampy, wooded areas and feeds mainly on birds, which allows the virus to amplify within bird populations with little human involvement. Humans typically acquire the virus when other mosquitoes that feed on both birds and mammals—bridge vectors—bite an infected bird and then bite a person. The other mosquitoes listed are linked to different diseases or act only as occasional bridge vectors, not the primary transmitter of EEE.

Eastern Equine Encephalitis virus is maintained in nature primarily through an bird–mosquito cycle, with Culiseta melanura serving as the main enzootic vector. This species tends to inhabit swampy, wooded areas and feeds mainly on birds, which allows the virus to amplify within bird populations with little human involvement. Humans typically acquire the virus when other mosquitoes that feed on both birds and mammals—bridge vectors—bite an infected bird and then bite a person. The other mosquitoes listed are linked to different diseases or act only as occasional bridge vectors, not the primary transmitter of EEE.