On Jul. 22, 2022, Moderna announced that it had received emergency use authorization from the U.S. Food and Drug Administration for its COVID-19 vaccine (mRNA-1273) in young children ages 6 months through 5 years of age at a dose level of 25 ﾵg. The company also received emergency use authorization for a 50 ﾵg two-dose regimen of mRNA-1273 for children ages 6 through 11 years old and a 100 ﾵg two-dose regimen for adolescents aged 12 through 17 years old.