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 COVID-19 variant picture is shifting again, with one widely circulating strain drawing attention for an unusual symptom.

XFG, dubbed “American COVID,” is spreading globally, with reports linking the variant to a distinctive hoarse or croaky voice ...

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 ...

Follow this section to personalize your feed and get instant alerts. WHY FOLLOW? Update your preferences in Account Settings Personalized Content Follow this tag to personalize your feed and get ...

BA.3.2, a heavily mutated new COVID-19 variant which may be better able to escape immunity from vaccines or prior infection, is now spreading in the United States. Although COVID cases are currently ...

ATLANTA — A new COVID variant has spread through at least half the nation, causing warnings from public health officials. The BA.3.2 variant, nicknamed "cicada," was first discovered in June 2025 and ...

The deadly COVID-19 memories have never really faded, and now a new variant has sparked fresh concern. Amid growing COVID-style lockdown rumours due to the LPG crisis, a new strain has been detected, ...

Brits reported being left unwell for weeks after contracting the XFG, or 'American' version of Covid, which UKHSA data shows has infected thousands of people across England ...

As the fall approaches, it’s time to think about respiratory virus season and how to protect yourself. COVID-19 cases are already rising in most parts of the country as a late summer wave sweeps ...