Cases of the COVID-19 variant Omicron BA.2.86, also known as Pirola, have tripled in two weeks, comprising between 5% and 15% of all infections, according to the Centers for Disease Control and ...

Moderna on Tuesday released preliminary data indicating its vaccine is likely to hold up against several variants of concern, including the Delta variant, which is predicted to become the dominant ...

A highly contagious flu mutation called subclade K is sweeping the nation, raising health concerns about vaccine effectiveness this season. Here are the states at most risk.

There is at present nothing to suggest that the symptoms of the newly emerging JN.1 variant of COVID-19 are any different to other strains circulating among the population, the Centers for Disease ...

A REPORT on a four year old study in Dar es Salaam Region has shown that original Covid-19 vaccines had reduced effectiveness ...

A new Covid variant has become dominant in the U.S., but relatively few people have thus far gotten the new shots that could offer some protection against it. The variant, called HV.1, replaced EG.5 ...