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Moderna developing vaccine “booster shot” against #501YV2 variant

America, Coronavirus, Health, Moderna, Mutation, Treatment, USA, Vaccine

Moderna said its Covid-19 vaccine appeared to protect against emerging variants of the coronavirus in laboratory tests, but as a precaution it would test whether a booster shot improves immune responses and develop a new vaccine targeting the strain first identified in South Africa.

https://www.wsj.com/articles/moderna-developing-vaccine-booster-shot-against-virus-strain-first-identified-in-south-africa-11611581400