The US Food and Drug Administration (FDA) and advisers to the Centers for Disease Control and Prevention (CDC) today approved both Pfizer-BioNTech and Moderna boosters for all US adults who completed their primary vaccine series for those two mRNA vaccines at least 6 months ago.Adults who received the Johnson & Johnson one-dose viral vector (non-mRNA) COVID vaccine 2 or months ago are also eligible for an mRNA booster.'Streamlining' eligibility"Streamlining the eligibility criteria and making booster doses available to all individuals 18 years of age and older will also help to eliminate confusion about who may receive a booster dose and ensure booster doses are available to all who may need one," said Peter Marks, MD, PhD, director of the