Daily Archives: March 11, 2021

First multivalent vaccine with a variant (B.1.351) begins: Will it protect against other E484K variants?

By on .

By Daniel R. Lucey MD, MPH, FIDSA On March 10 Moderna announced that it had begun vaccinating volunteers in a study of 60 persons previously “vaccinated with mRNA-1273 to receive a single booster dose of either: 20 µg of a variant-specific booster candidate, mRNA-1273.351, based on the B.1.351 variant first identified in the Republic of South Africa (N=20) […]