The US cleared older Americans and people who are immunosuppressed to get additional COVID-19 bivalent boosters 19 April, coupling those changes with new “simplified” vaccine guidelines for all Americans that will eliminate the use of the original monovalent mRNA vaccines from Pfizer Inc. and Moderna, Inc..
The Centers for Disease Control and Prevention Director Rochelle Walensky signed off on the Food and Drug Administration’s plan, which...






