CDC advisers try to work out the details on booster shots


              FILE - In this Jan. 8, 2021, file photo, a pharmacist prepares a syringe of the Pfizer vaccine for COVID-19, at Queen Anne Healthcare, a skilled nursing and rehabilitation facility in Seattle. With booster doses of Pfizer’s COVID-19 vaccine now authorized in the U.S., government advisers reconvened on Thursday, Sept. 23, to tackle the most contentious question yet: Exactly who should roll up their sleeves right away? (AP Photo/Ted S. Warren, File)
            
              FILE - In this May 21, 2021, file photo, licensed vocational nurse Angeline Gabuten administers the Pfizer COVID-19 vaccine to a patient at Providence Edwards Lifesciences vaccination site in Santa Ana, Calif. With booster doses of Pfizer’s COVID-19 vaccine now authorized in the U.S., government advisers reconvened on Thursday, Sept. 23, to tackle the most contentious question yet: Exactly who should roll up their sleeves right away? (AP Photo/Jae C. Hong, File)
            
              FILE - In this Jan. 12, 2021, file photo resident of Harmony Court Assisted Living receives the Pfizer COVID-19 vaccine in Jackson, Miss. With booster doses of Pfizer’s COVID-19 vaccine now authorized in the U.S., government advisers reconvened on Thursday, Sept. 23, to tackle the most contentious question yet: Exactly who should roll up their sleeves right away? (AP Photo/Rogelio V. Solis, File)