John Roehrig died March 8 after a battle with ALS. During his career, he was on the front lines of the U.S. response to West Nile virus.

Kavya Beheraj/Axios West Nile virus infections were up statewide last year — a good reminder to mount a defense against mosquitos this spring. By the numbers: The Centers for Disease Control counted ...

Severe infection with West Nile virus is a spreading problem worldwide ... signs of an immune response (Proc. Natl. Acad. Sci. USA 103, 6694–6699; 2006).

The deadly West Nile virus which has already made its way to Europe is posing a ‘growing threat’ as birds begin to drop dead.