Tiny genetic alterations could help the bird flu virus enter cells in the upper respiratory tract, the C.D.C. said. But there is no sign that mutations are widespread in nature.
Let’s just get it over with. Like the snap. How many people die? How many lose family or jobs? Just give me the number and the calls from my friends and family now. I’m tired.
Let’s just get it over with. Like the snap. How many people die? How many lose family or jobs? Just give me the number and the calls from my friends and family now. I’m tired.