How effective are Covid-19 vaccines against the Omicron variant?
Published by DPAInfections with the highly contagious Omicron variant of SARS-CoV-2, the virus that causes Covid-19, are spreading rapidly in many parts of the world, fuelling health concerns. There's increasing evidence that the variant, first identified in South Africa, causes milder illness, however. Health experts agree that vaccination against Covid-19…