LONDON — As more cases of the new omicron Covid variant emerge around the world, experts say it's likely that the variant, first identified in South Africa last week, had already been circulating for ...

Flu season is among us, and a new strain has emerged as a major threat. A mutation of influenza A H3N2, called subclade K, has been detected as the culprit in rising global cases, including in the U.S ...

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 ...

COVID-19 variant XFG is spreading across the U.S., becoming the third most common strain. XFG is a combination of variants F.7 and LP.8.1.2 and may be less contagious than other dominant variants.

The KP.3.1.1 COVID-19 variant is the dominant strain of the virus, the latest projections from the Centers for Disease Control and Prevention (CDC) show. The agency's Nowcast data tracker, which ...

As the summer travel season picks up, COVID cases and hospitalizations are rising in Los Angeles County — and some of those recently reinfected are finding their latest bout to be the worst yet. There ...

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

Connecticut residents are bracing for a potential summer COVID surge as two highly transmissible new variants sweep across the state, prompting health officials to issue urgent warnings about ...

Post-pandemic amnesia is a natural reaction, and it’s common for misremembering to occur after a pandemic or collective traumatic event occurs. Yet the reality is that SARS-CoV-2, the virus causing ...