During a call with U.S. doctors this month, one CDC official noted that there is a seasonality to bird flu: Cases peak in the ...

One business owner told FOX31's Hanna Powers that his staff endured aggressive incidents inside the store, including theft, physical altercations and vandalism before the increased security patrols.

Scientists have been keeping an eye on bird flu ever since it was ... As for human cases, "in the U.S., there has been almost no reporting of new cases," virologist Angela Rasmussen told Salon.