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Data from 78,000 South Africans with COVID show the Pfizer vaccine is far less effective in preventing infection by the omicron variant. But there is still significant protection from severe illness.
JOHANNESBURG (AP) — A two-dose Pfizer/BioNTech vaccination provides just 33% protection against infection by the omicron variant of the coronavirus, but 70% protection against hospitalization, according to a large-scale analysis in South Africa released Tuesday.The first large-scale analysis of vaccine effectiveness in the region where the new variant was discovered appears to
A study in South Africa, where the Omicron variant was first found, appears to show the new strain of COVID-19 is more transmissible, but less deadly.
A preliminary study shows the Omicron variant is 'highly transmissible' and may better evade vaccines.
JOHANNESBURG (AP) — The omicron variant appears to cause less severe disease than...