HARRISBURG – Following an in-depth approval process by the federal government, the Pennsylvania Department of Health Monday announced a booster shot of the Pfizer COVID-19 vaccine will be immediately available for certain adults who were fully vaccinated by Pfizer at least six months ago. “Vaccine providers in Pennsylvania are ready to administer a booster dose … Continue reading Dept. of Health: FDA and CDC Authorize Booster Dose of Pfizer Vaccine to Certain Adults