Effectiveness of Bivalent mRNA Vaccines in Preventing COVID-19-Associated Emergency Department or Urgent Care Encounters and Hospitalizations among Immunocompetent Adults — VISION Network, 9 Sta

This report describes the effectiveness of the updated (bivalent) COVID-19 vaccines for prevention of COVID-19 associated emergency department and urgent care visits and hospitalization among adults ages 18 years or older without a weakened immune system.