Maria Van Kerkhove, COVID-19 technical lead at the World’s Health Organization, said this week the newly discovered variant called XBB.1.5 was “the most transmissible sub-variant” detected...
Pfizer said Friday that its updated COVID-19 booster may offer some protection against newly emerging omicron mutants even though it’s not an exact match. Americans have...
Britain, the first country to approve a coronavirus vaccine in late 2020, has now also given the first green light to a variant-adapted shot that targets...
Pfizer announced Saturday that tweaking its COVID-19 vaccine to better target the omicron variant is safe and works — just days before US regulators debate whether...
Moderna Inc (MRNA.O) said on Wednesday a new version of its coronavirus vaccine produced a better immune response against Omicron than the original shot, as the...
The Omicron variant appears to result in less severe COVID-19 than seen during previous periods of high coronavirus transmission including the Delta wave, with shorter hospital...
The highly infectious Omicron coronavirus variant causes less severe disease than the Delta strain but it remains a “dangerous virus”, particularly for those who are unvaccinated,...
More than half of people in the entire European region will be infected with the Omicron strain within two months if the current rate of transmission...
The Omicron variant of COVID–19 continues to spread rapidly as more countries on Saturday reported infections. South Korea saw a daily record high of 81 infections from the...
The Omicron variant of the coronavirus is spreading faster than the Delta variant and is causing infections in people already vaccinated or who have recovered from...
COVID-19 vaccines appear to have become slightly less effective in preventing severe disease and death but do provide “significant protection”, the World Health Organization (WHO) said...
Asia-Pacific countries should boost their healthcare capacity and fully vaccinate their people to prepare for a surge in COVID-19 cases fuelled by the Omicron variant, Reuters...