Easy replication in cattle mammary glands means H5N1 bird flu is under no evolutionary pressure to adapt to spread easily in humans.

There’s new uncertainty about updated COVID-19 shots this fall after the Trump administration’s handling of a shot from ...

Former government health officials fear the Trump administration is moving to slow-walk vaccine approvals, including by ...

The bird flu outbreak has killed millions of egg laying hens, reducing the egg supply across the country. It has caused egg ...