AND, it only targets ~3% of the variants and it's trending downward too.
Per the CDC's on "models" and "surveillance":
https://covid.cdc.gov/covid-data-tracker/#variant-proportions
AND, it only targets ~3% of the variants and it's trending downward too.
Per the CDC's on "models" and "surveillance":
https://covid.cdc.gov/covid-data-tracker/#variant-proportions