https://www.cdc.gov/mmwr/volumes/71/wr/mm715152e2.htm?s_cid=mm715152e2_w
Important paper by the IVY network!
Early Estimates of Bivalent mRNA Vaccine Effectiveness...
This report describes the effectiveness of the updated (bivalent) COVID-19 vaccines for prevention of COVID-19-associated hospitalization among adults ages 65 years or older who did not have a weakened immune system and who were hospitalized with COVID-19-like illness.