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

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?

Tokyo’s first community spread of the Omicron variant of the novel coronavirus was confirmed on Christmas Eve, Governor ...

The number of cases, hospitalizations, and deaths in the United Kingdom due to COVID-19 has significantly increased from ...

Drugmaker Moderna’s CEO set off fresh alarm bells in financial markets on Tuesday after he warned that COVID-19 vaccines were ...

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 ...

The XFG variant of the severe acute respiratory syndrome coronavirus 2 as continued to spread as the U.S. heads into peak Summer travel season. (Photo by I RYU/VCG via Getty Images) There’s another ...

A retrospective investigation of 492 cases in a Seoul detention center shows how crowding fueled Omicron spread and how ...

XFG accounted for around 69% of variants identified in primary care and 65% of hospital samples in Spain. The country is also ...

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You do not want to play games here. As always, vaccination is one of the best forms of protection against COVID-19, and ...