Variant NB.1.8.1 accounted for 0% of U.S. cases in April. By mid-June, it was estimated to be the cause of around 37% of cases.

Newer formulations are even more effective at preventing illnesses that commonly afflict seniors — perhaps even dementia.

At the same time a new COVID variant has been reported in the U.S., residents of Illinois and across the nation will likely ...

The newly reconstituted CDC Advisory Committee on Immunization Practices will meet this week. Packed with antivaxxers, the ...