On Jul. 12, 2021, Moderna announced a supply agreement with the government of Argentina for 20 million doses of Modernaﾒs COVID-19 vaccine or its updated variant booster vaccine candidate, if authorized, to begin delivery in the first quarter of 2022.

The Moderna COVID-19 Vaccine is an mRNA vaccine against COVID-19 encoding for a prefusion stabilized form of the Spike (S) protein.