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# coronvirus

Last year

2022

'Stealth Omicron' spreads more than original strain, Danish study finds

Sub-variant BA.2 – also called “stealth Omicron” – was detected earlier this year.

39.7k

Jan 31st 2022, 10:07 PM

All time

Outbreaks in China and Australia prompt stricter Covid measures

The WHO has urged countries to contain the Delta variant.

28.9k

Jul 31st 2021, 6:22 PM