Vaccination

WHO warns fears of omicron could spark new vaccine hoarding

The World Health Organization expressed concerns Thursday that rich countries spooked by the emergence of the omicron variant could step up the hoarding of COVID-19 vaccines and strain global supplies again, complicating ...

Diseases, Conditions, Syndromes

'Concerning' jump in Omicron cases in Denmark

Denmark's health authorities said Sunday the country had seen a "concerning" jump to 183 confirmed cases of the Omicron variant of COVID-19.

Vaccination

Russia says developing Sputnik Omicron booster

The backers of the Russian COVID-19 vaccine Sputnik V said Monday that the jab is effective against the new Omicron coronavirus variant but they were also developing an adapted booster.

Diseases, Conditions, Syndromes

Britain tightens COVID rules as world on alert over omicron

The U.K. tightened up rules Saturday on mask-wearing and on testing of international arrivals after finding two cases of the new potentially more contagious omicron variant of the coronavirus that was identified just a few ...

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