FDA authorizes booster shots of Moderna, Johnson & Johnson Covid-19 vaccines
Many Americans who have been vaccinated against Covid-19 will soon be able to choose which vaccine they would like as a booster after the Food and Drug Administration issued emergency authorizations Wednesday that throws open the door to mixing and matching of vaccine brands.
In newly issued emergency use authorizations for the Moderna and Johnson & Johnson vaccines — and in a revision to the previous authorization of the Pfizer and BioNTech booster — the agency made clear that people do not have to get a third dose that matches their primary series.
