

None of the currently FDA-approved or FDA-authorized COVID-19 vaccines are live-virus vaccines.īox 1. The Janssen COVID-19 Vaccine is a recombinant, replication-incompetent adenovirus type 26 (Ad26) vector encoding the stabilized prefusion spike glycoprotein of SARS-CoV-2.

The Pfizer-BioNTech and Moderna vaccines are lipid nanoparticle-formulated, nucleoside-modified mRNA vaccines encoding the prefusion spike glycoprotein of SARS-CoV-2, the virus that causes COVID-19.
#Grams to micrograms license
Three COVID-19 vaccines are currently approved under a Biologics License Application (BLA) or authorized under an Emergency Use Authorization (EUA) by the U.S. These considerations will be updated when additional information becomes available or if additional vaccine products are approved or authorized. These considerations apply only to the use of vaccine products currently approved or authorized in the United States.
#Grams to micrograms trial
Food and Drug Administration (FDA) for Biologics License Application (BLA) or Emergency Use Authorization (EUA) of the vaccines, Emergency Use Instructions (EUI) for FDA-approved vaccines, other data sources, including the World Health Organization (WHO) emergency use listing (EUL) evaluation of COVID-19 vaccines and clinical trial results, general best practice guidelines for immunization, and expert opinion ( Box 1). They are informed by the Advisory Committee on Immunization Practices (ACIP) and CDC’s recommendations, data submitted to the U.S. The Centers for Disease Control and Prevention (CDC) Interim Clinical Considerations provides additional information to healthcare professionals and public health officials on the use of COVID-19 vaccines.
#Grams to micrograms series
