Covid-19 cases are rising again in 25 US states, driven by new variants like NB.1.8.1 (Nimbus) and XFG (Stratus). Experts ...

Scientists are closely monitoring the rapid global spread of two new Omicron subvariants, Nimbus (NB.1.8.1) and Stratus (XFG) ...

COVID-19 cases are rising in half of U.S. states. What to know about COVID trends and the new Stratus and Nimbus variants.

The new Covid-19 strain XFG is spreading rapidly, with 23 confirmed cases in Thailand, the Department of Medical Sciences ...

XFG (Stratus) is the latest subvariant of Omicron that is gaining momentum in the summer surge of the pandemic. However, ...

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The new Covid-19 strain XFG is spreading rapidly, with 23 confirmed cases in Thailand, the Department of Medical Sciences ...

According to a Johns Hopkins report, several virological, behavioural, and environmental factors drive summer Covid-19 waves.

A new variant of Covid-19 (also known as Coronavirus) emerged at the start of the year, and already makes up more than 30% of ...

A new Covid variant called Stratus or XFG is spreading across 38 countries. The World Health Organisation is monitoring this ...

Symptoms mirror Omicron’s, that is, fever, cough, fatigue, sore throat, and muscle aches. Though India’s Covid response ...

A new COVID-19 strain called Stratus may evade vaccine immunity, experts warn. With rising cases in the UK and unusual ...