evidence: FDA amended EUAs of Moderna and Pfizer-BioNTech COVID-19 bivalent mRNA vaccines. Bivalent vaccines were to be used for all doses given to individuals 6 months and older. Monovalent COVID-19 vaccines were no longer authorized for use in the United States. April 18, 2023 [...] CDC and FDA lifted the recommended pause of use of the Johnson & Johnson (Janssen) COVID-19 vaccine in the United States after a review by ACIP. The use of the Janssen vaccine should resume. EUA fact sheets for Johnson & Johnson (Janssen) COVID-19 vaccine revised. April 23, 2021 CDC and FDA recommended a pause in the use of the Janssen (Johnson & Johnson) COVID-19 vaccine in the United States out of an abundance of caution. A CDC Health Alert Network (HAN) was issued with recommendations. April 13, 2021