Previous COVID-19 Infection Protects Against Delta Better than Pfizer Shot

Previous COVID-19 Infection Protects Against Delta Better than Pfizer Shot

People who were previously infected with COVID-19 are reportedly better protected from the highly contagious Delta variant when compared to those without previous infections and who have received the Pfizer-BioNTech COVID-19 vaccine, according to research shared on medical journal medRxiv.

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