From Stratus to Cicada, several variants are on the radar as COVID-19 activity rises, impacting how the virus spreads, its ...

Most covid-19 cases are caused by a particular type of variants, but do we need to worry every time a new one emerges?

Add Yahoo as a preferred source to see more of our stories on Google. Public health officials are monitoring a new strain of COVID-19, now called the cicada, because of its long incubation period.

The Centers for Disease Control and Prevention has detected a new COVID‑19 strain, raising concerns among experts about a possible summer surge. BA.3.2 was first detected in the United States on June ...

ATLANTA — At least 25 states have confirmed cases of a new COVID variant, with experts saying the mutation poses risks to people who were previously infected or vaccinated. The BA.3.2 variant was ...

The XFG variant is not a new, supercharged strain, but rather a recombinant variant that virologists have been tracking ...

NORFOLK, Va. — Health officials are warning the public about a newly detected COVID-19 strain that has been identified in multiple states nationwide, including Virginia. Some experts are calling the ...

The resurgence of Covid-19 cases observed in recent weeks is in line with the waves the virus causes every year and, ...

A localized resurgence of coronavirus infections across the United Kingdom—predominantly concentrated in London—has renewed ...

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A sharp rise in Covid cases and hospital admissions has put the virus back in the spotlight, as the XFG strain continues to ...