A three-dose course of AstraZeneca's Covid-19 vaccine is effective against the rapidly-spreading

The omicron BA.2 variant is slightly more transmissible but vaccines are more effective against it

SHAH ALAM: The RTK-Antigen and RT-PCR tests to detect Covid-19 infection are effective in detecting

South African scientists say the Omicron Covid mutation significantly reduces antibodies generated

Vaccine boosters are 90% effective against admission to hospital from the Omicron variant for the

reports suggest many cases of Omicron are mild....

A man wearing a mask passes by propaganda boards promoting the upcoming Beijing Winter Olympics in Beijing, China, on Nov.... China maintains some of the world's strictest anti-virus travel restrictions and has said it will not allow overseas spectators at the games.... Politicians, the WTA and leading tennis players have also raised concerns about the safety of three-time Olympian and former top-ranked doubles player Peng, who publicly accused Zhang Gaoli, a former member of the party's Polit

recent surge in Omicron cases in South Africa.... That is a drop from around 92 percent in a previous

remarks to provide an update on the Omicron variant in the Roosevelt Room of the White House in

Brent has rebounded by about 10% since Dec.... 1 on the expectation that Omicron will have only a