My bad, we didnt
While high levels of vaccination and prior infection provided significant population-level protection against severe illness,
wereWhile high levels of vaccination and prior infection provided significant population-level protection against severe illness, we ever at herd immunity with covid-19
No, the United States and most of the world never reached true herd immunity with COVID-19, as the virus continued to mutate and evade protection
. While high levels of vaccination and prior infection provided significant population-level protection against severe illness, the virus remained endemic, allowing for continued transmission and reinfections.
Mayo Clinic