Researchers have identified new roles for a protein long known to protect against severe flu infection -- among them, raising the minimum number of viral particles needed to cause sickness.
A Canadian teen who is in critical condition after contracting H5N1 bird flu was infected with a version of the virus that is different from the one circulating in U.S. cattle.
Lack of compatibility is the top reason for new couples to divorce, with 59% of couples who divorced in their first year citing this cause. A total of 689,308 divorces occurred in 2021 and ...