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Vaccines Effective Against New Omicron Variants, WHO Chief Says

May 4, 2022, 3:37 PM

Vaccines are effective against new omicron sub-variants driving a surge in Covid-19 cases in South Africa, the head of the World Health Organization said.

“It’s too soon to know whether these new sub-variants can cause more severe disease than other omicron sub-variants, but early data suggest vaccination remains protective against severe disease and death,” Tedros Adhanom Ghebreyesus, said at a media briefing in Geneva Wednesday.

Tedros Adhanom Ghebreyesus
Photographer: Stefan Wermuth/Bloomberg

Scientists in South Africa and Botswana discovered omicron late last year and South Africa was the first country to experience a major surge of infections as a result of the variant. Now BA.4 ...