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Pfizer’s Vaccine Efficacy: How Effective is the Pfizer Vaccine Against Omicron? study revealed

Vaccine Efficacy Against Omicron Variant: For those who have taken a dose of Pfizer’s anti-corona vaccine, there is initially worrying news. Indeed, a preliminary study by South African researchers found that Pfizer’s vaccine against coronavirus disease (Covid-19) actually confers less immunity against the Omicron variant than other major versions of the virus. Africa Health Research […]