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?

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

Sometimes referred to as ‘Stratus’ or the ‘American strain’, the variant first identified in January 2025 has since spread ...

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

The U.S. Centers for Disease Control and Prevention (CDC) reported that the KP.3.1.1 COVID-19 variant is now the most common strain in the United States, but a spokesperson added that there is no ...

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 ...

The new 2026-2027 COVID-19 vaccines are available. Experts explain who should get one the shots and why, the best time to get vaccinated, side effects and more.

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Cases of "American Covid" are on the rise in the UK. The latest strain of the virus, officially called XFG or Stratus, comes ...

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