Day

November 18, 2020

18
Nov
2020

The mRNA Vaccine News is Good. But Let’s Keep Masks for Now

[Editor’s Note: a version of this article was first published on the Johns Hopkins University Coronavirus Resource Center. —LT ] Clinical trials are usually designed to answer one or two specific questions. For the pivotal COVID-19 trials evaluating messenger RNA vaccines from Pfizer and Moderna, researchers are looking at whether these vaccines prevent a person from getting sick, keep them...
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