pfizer biontech covid vaccine

Covid-19: Pfizer opens study of vaccine updated to match Omicron strain

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Covid-19: Pfizer opens study of vaccine updated to match Omicron strain

COVID-19 vaccine makers have been updating their shots to better match omicron in case global health authorities decide the change is needed. Pfizer has begun a study comparing its original COVID-19 vaccine with doses specially tweaked to match the hugely contagious omicron variant. Pfizer and its partner BioNTech announced the study on Tuesday. COVID-19 vaccine … Read more

Covid-19: Does research back up the US’s mix-and-match booster shot policy?

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Covid-19: Does research back up the US’s mix-and-match booster shot policy?

While the scientific studies didn’t find a clear winner, it showed that all the booster shots provided strong antibody response, regardless of the combination. (File/Reuters) The US Food and Drug Administration (FDA) recently approved a mix-and-match booster shot plan that allows the eligible adult population to choose from one of three vaccines — Moderna, Pfizer-BioNTech, … Read more