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A large South African analysis found Pfizer’s COVID-19 vaccine offered just 33% protection against infection by the omicron variant, but 70% protection against hospitalization.
Two shots of Pfizer's Covid vaccine offers around 70 percent protection against severe disease from Omicron, according to results of a study published Tuesday in South Africa.
The results were made public Tuesday
A preliminary study shows the Omicron variant is 'highly transmissible' and may better evade vaccines.
A preliminary study shows the Omicron variant is 'highly transmissible' and may better evade vaccines.