Is Omicron leading us closer to herd immunity against Covid-19? Experts say it is not likely that the highly transmissible variant – or any other variant – will lead to herd immunity.

A new study by Chinese researchers supports the theory that the Omicron variant of the coronavirus may have originated from mice. The study said there was strong evidence that the virus had passed ...

China has stepped up its zero tolerance COVID ... Both were infected by the omicron variant. In subsequent testing of close contacts, 18 others tested positive and 767 tested negative as of ...

Sha Hua is a former reporter in The Wall Street Journal's Singapore bureau, where she covered China's climate, energy and science policy as well as China-Europe relations.

From the end of the fourth wave last April, Hong Kong had mostly seen imported infections, and daily caseloads were ... with the highly transmissive Omicron variant during her hotel quarantine.

Hong Kong authorities confirmed 140 new Covid-19 infections on Sunday, the most in a single day in 18 months, as they battled to contain a spiralling outbreak at the Omicron-hit Kwai Chung Estate.

The fast-spreading Omicron variant is now the main coronavirus strain in the United States, accounting for 73.2 per cent of new cases over the past week for which data is available, health ...

KUALA LUMPUR: Two Omicron variants, namely BA.5.2 and BF.7, which made up about 80% of the Covid-19 variants currently infecting China, have been detected in Malaysia since March 16 and Aug 21 ...

Beginning February 5, Hong Kong will shorten its 21-day quarantine requirement for incoming travellers to two weeks, given the much shorter incubation period of the Omicron variant, the city’s ...

Lam explained the measures were vital for preventing imported cases – especially infections carrying the highly transmissive Omicron variant – from spreading further in the community and to ...