"Bird Flu Back on the Rise, U.N. Warns"
"Bird flu was in decline -- but health officials warned Monday that it appears to be on the rise again. The United Nations' Food and Agriculture Organization (FAO) "urged heightened readiness and surveillance against a possible major resurgence" of the virus, which has crossed over from birds to infect 565 people and kill 331 of them since its appearance in 2003."