Which Aedes species is associated with Zika virus transmission?

Aedes aegypti is the species most commonly associated with the transmission of Zika virus. This particular mosquito is a well-documented vector of several important viruses, including Zika, dengue, chikungunya, and yellow fever. Aedes aegypti prefers human hosts and typically breeds in urban areas, making it particularly effective for spreading viruses that affect populations.

It is important to note that Aedes albopictus, commonly known as the Asian tiger mosquito, has also been identified as a potential vector for Zika virus under certain circumstances, but its role in transmission is significantly less prominent compared to Aedes aegypti. The other species mentioned—Aedes vexans and Aedes canadensis—are not recognized as major vectors for the Zika virus, focusing primarily on other types of diseases. Thus, Aedes aegypti's characteristics and behaviors make it the primary concern regarding Zika virus transmission.