NACI rapid response: Booster dose of COVID-19 vaccine in long-term care residents and seniors living in other congregate settingsSummary of NACI rapid response of September 28, 2021. Post author By Post date 7 October 2021 ← Recommendation on the use of mRNA COVID-19 vaccines in adolescents 12 to 17 years of age → NACI rapid response: Additional dose of COVID-19 vaccine in immunocompromised individuals following a 1- or 2-dose primary series