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Omicron seems milder but may evade vaccines
Omicron appears to cause less severe disease than earlier variants while Pfizer vaccines offer reduced infection protection but strong hospitalization protection. A South Africa data analysis of over 211,000 tests shows two vaccine doses give 33 percent infection protection and 70 percent against hospitalization during the omicron wave.
MENTIONED IN THIS ARTICLE
Johannesburg
Omicron
Pfizer
South Africa
Discovery Health
South African Medical Research Council
Ryan Noah
Gauteng