AP source: Pfizer seeking OK for 4th COVID dose for seniors
FILE - Prepared Pfizer COVID-19 vaccine syringes wait for patients at a middle school in Wheeling, Ill., June 11, 2021. Drugmaker Pfizer is expected to request authorization this w…
FILE - Prepared Pfizer COVID-19 vaccine syringes wait for patients at a middle school in Wheeling, Ill., June 11, 2021. Drugmaker Pfizer is expected to request authorization this w…