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Adaptation of 2nd generation COVID vaccine formula to fight mutations 10 times better than the old version | TNN evening news | 28 Nov. ’22

A vaccine called “Bivalent” is a 2nd generation COVID vaccine that has been formulated. to accommodate strain bearing mutation Developed by Pfizer-Biontech. and Moderna Company Contains original viral strains and components of omicron variations used as a booster vaccine It can be injected from 2 months after the last dose of the vaccine. The National […]