US Regulators Authorize COVID-19 Vaccine Booster Doses for 16- and 17-Year-Olds Posted byThe Epoch Times December 9, 2021 Leave a comment on US Regulators Authorize COVID-19 Vaccine Booster Doses for 16- and 17-Year-Olds The decision drew immediate pushback, with experts noting that young, healthy people are at low risk of severe COVID-19 and at elevated risk of heart inflammation following vaccination.