I'm on work experience http://9taxi.in.net/ www.9taxi.com If visiting or residing in warmer climates, it is essential to be prepared. Prevention tips will follow in the next section. The yellow fever mosquito will bite  like any other irksome mosquito. Like most bites, people scratch or rub them and continue on their way. Yellow fever can take up to six days before initial symptoms become apparent. Any of the following can be warning signs of infection, if one has been recently bitten by a mosquito: