Interim Effectiveness of Updated 2023–2024 (Monovalent XBB.1.5) COVID-19 Vaccines Against COVID-19–Associated Emergency Department and Urgent Care Encounters and Hospitalization Among Immu
by from Morbidity and Mortality Weekly Report (MMWR) on (#6K07M)
This report describes vaccine effectiveness for the updated 2023-24 COVID-19 vaccine.