Having previously had COVID wont necessarily protect individuals against catching Omicron, warns Professor Anne von Gottberg of South Africas National Institute for Communicable Disease.
She emphasised though that vaccines and social distancing are the best ways to tackle the current exponential rise of the variant.
Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí https://www.youtube.com/channel/UCzG5BnqHO8oNlrPDW9CYJog
TV channel: Sky News
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