FDA OKs Boosters, “Mix & Match”

On Oct. 20, the FDA issued guidance on boosters for the Moderna and Johnson and Johnson/Janssen COVID-19 vaccines. Single dose “boosters” have been given the green light for those who are: (https://www.fda.gov/news-events/press-announcements/coronavirus-covid-19-update-fda-takes-additional-actions-use-booster-dose-covid-19-vaccines)

• 65 years of age and older
• 18 through 64 years of age at high risk of severe COVID-19
• 18 through 64 years of age with frequent institutional or occupational exposure to SARS-CoV-2

Additionally, official “mix and match” guidance has been authorized for those who received the Johnson and Johnson/Janssen COVID-19 vaccine. A half dose of either the Moderna or Pfizer-BioNTech vaccine may be given to a person who received the single dose Johnson and Johnson/Jannsen vaccine more than two months ago.