The UK's Chief Medical Officer Professor Chris Whitty explained the government's decision to introduce Plan B in England. (PA Images) Boris Johnson this week confirmed the country's move to Plan B to ...

Under experimental conditions, the Omicron variant of the coronavirus survives at least twice as long on surfaces like plastic, paper and skin than the original strain that emerged from Wuhan, China, ...

SAN FRANCISCO -- There's a new "subvariant" of the omicron variant that's been spreading across Europe and the U.S. Preliminary data shows it's more contagious than omicron. Scientist have named it BA ...

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Since the COVID variant omicron emerged in late 2021, it has rapidly evolved into multiple subvariants. One subvariant, BF.7, has recently been identified as the main variant spreading in Beijing, and ...

The virus is gradually resurfacing in Asia, particularly in Singapore and Hong Kong, which have seen a surge in cases. In Mumbai, two COVID-related deaths were reported last week, both involving ...

The omicron variant of SARS-CoV-2, the virus that causes COVID-19, has now been around for more than a year. Before omicron became dominant, there had been a quick succession of named variants of ...

People with immune-mediated inflammatory diseases who are taking immunosuppressants don't mount as strong of an immune defense against the Omicron variant as they did against the original SARS-CoV-2 ...