Six years after the West Nile virus entrenched itself in the United States, mysteries about the mosquito-borne malady remain. FULL STORY
THE VIRUS
What are your chances of getting West Nile? Take a look at the probability, a comparison to other illnesses and what exactly has to occur for you to be infected. INTERACTIVE
It’s probably faster to list where the West Nile virus isn’t than where it is. The virus has nearly circled the globe, with North America one of its latest targets. FULL STORY
West Nile may grab the headlines but compared to other diseases spread by mosquitoes -- such as malaria and Dengue fever -- the virus is a lightweight. FULL STORY