Add Yahoo as a preferred source to see more of our stories on Google. The _Aedes_ mosquito is a vector of several viral diseases, including eastern equine encephalitis, or EEE, and West Nile fever.

Have you ever wondered why you have to get a flu shot every year, but some vaccines are one-and-done? It all has to do with how and how fast viruses evolve - and that depends on mutation rates.

To carry out the research, they used a laboratory-adapted influenza virus of human origin, known as PR8, which does not pose a risk to humans. Although mice do not typically develop fever in response ...

Pilar Pérez Romero is affiliated with the spin-off company Vaxdyn SL as a founding partner. Lee Rafuse Haines does not work for, consult, own shares in or receive funding from any company or ...