World public health agencies are tracking a highly mutated strain of the virus that causes COVID-19. The newly discovered strain, referred to as BA.2.86, has been designated as a "variant under ...

A deadlier strain of mpox is gaining traction in Africa — spreading beyond the borders of Congo where the latest outbreak is concentrated — and may be declared an international public health emergency ...

Add Yahoo as a preferred source to see more of our stories on Google. This image from video provided by the Department of Health and Human Services shows Health and Human Services Secretary Robert F.

NEW YORK — U.S. public health officials have been told to stop working with the World Health Organization, effective immediately. A U.S. Centers for Disease Control and Prevention official, John ...