A person walks outside of the U.S. Department of Health and Human Services building after it was reported that the HHS will ...

The virus has not yet evolved to spread efficiently between people. Excellent vaccine technology exists, but the government ...

Trump and Musk reignite feud over tax bill, stocks end first half at records, Moderna flu vaccine achieves promising results, ...

Bird flu continues to spread quickly through the U.S. farm system because that system is inherently a viral playground.