Pfizer booster shot trial underway in Nashville
NASHVILLE, TN (WSMV) - As the COVID-19 Delta variant continues to spread across the United States, there's been much debate between the CDC and vaccine maker Pfizer on whether or n…
NASHVILLE, TN (WSMV) - As the COVID-19 Delta variant continues to spread across the United States, there's been much debate between the CDC and vaccine maker Pfizer on whether or n…