Vaccines along for the ride of an already declining trend that began precipitously prior to the vaccine rollout.
https://covid.cdc.gov/covid-data-tracker/#demographicsovertime
“Vaccines along for the ride of an already declining trend.”
Big vaccine effects are seen between age groups in the USA, and between countries with high vs. low rates of vaccination (less so for those who rely on the Sinovac, like the UAE).