Weekly Cumulative Estimated Number of Updated 2023-24 COVID-19 Vaccinations Administered in Pharmacies and Physical Medical Offices, Adults 18 Years and Older, United States

• Estimated number of updated COVID-19 vaccinations among adults 18 years and older is assessed through IQVIA (https://www.iqvia.com/) as a source of information on vaccinations administered in retail pharmacies (include chain, mass merchandise, food stores, and independent pharmacies) and physician medical offices.

• Starting in September 2023, the CDC recommended the updated 2023-2024 COVID-19 vaccine for adults ages 18 years and older.

Weekly Cumulative Estimated Number of RSV Vaccinations Administered in Pharmacies and Physician Medical Offices, Adults 60 Years and Older, United States

• Estimated Number of RSV vaccinations among adults 60 years and older is assessed through IQVIA (https://www.iqvia.com/) as a source of information on vaccinations administered in retail pharmacies (include chain, mass merchandise, food stores, and independent pharmacies) and physician medical offices.

• Starting in September 2023, the CDC recommended the RSV vaccine for adults 60 years and older.

Weekly Cumulative Estimated Number of Influenza Vaccinations Administered in Pharmacies and Physician Medical Offices, Adults 18 years and older, United States

- Archived data are here: https://data.cdc.gov/resource/uxgd-cqqc

- CDC is exploring use of data obtained from IQVIA§ (https://www.iqvia.com/) as a source of information on vaccinations administered in retail pharmacies (include chain, mass merchandise, food stores, and independent pharmacies) and physician medical offices.

- These projected pharmacy estimates include flu vaccinations that were billed for (i.e. claims) or paid by cash. Medical office projected estimates are claims-based only.

- The sampled pharmacies and physician medical offices and the captured volume of transactions represent approximately 92% and 82% of influenza vaccines administered nationally, respectively.

- Vaccinations administered in other settings such as workplaces and community settings are not included in these data.

*National estimates for pharmacies and medical offices include vaccinations administered in 50 states and DC. National estimates for medical office vaccinations do not include doses where geographic information (i.e. which state the dose was administered in) was missing. Pharmacy data are through Friday of each week and medical office data are through Saturday of each week. Week ending dates for prior seasons are aligned with the current season’s week ending dates.

§ 1) King, L. M., Bartoces, M., Fleming-Dutra, K. E., et. al, L. A. (2020). Changes in US outpatient antibiotic prescriptions from 2011–2016external icon. Clinical Infectious Diseases, 70(3), 370-377. 2) McLaughlin, J. M., Swerdlow, D. L., Khan, F., et. Al (2019). Disparities in uptake of 13-valent pneumococcal conjugate vaccine among older adults in the United Statesexternal icon. Human vaccines & immunotherapeutics, 15(4), 841-849.

Weekly Cumulative Estimated Number of Influenza Vaccinations Administered in Pharmacies and Physician Medical Offices, Adults 18 years and older, United States

- Since 2019, CDC has been exploring use of data obtained from (https://www.iqvia.com/) as a source of information on vaccinations administered in retail pharmacies (include chain, mass merchandise, food stores, and independent pharmacies) and physician medical offices. These data are being presented publicly for the first time this season; further evaluations of these data are underway.

- The pharmacy data include flu vaccinations that were billed for (i.e. claims) or paid by cash. Medical office data are claims based.

- The sampled pharmacies and physician medical offices and the captured volume of transactions represent approximately 92% and 82% of influenza vaccines administered nationally, respectively.

- Vaccinations administered in other settings such as workplaces and community settings are not included in these data.

- Weekly Number of Influenza Vaccinations Administered, in Pharmacies and Physician Medical Offices, Adults 18 years and older, United States, Data Source(s): IQVIA Pharmacy and Physician Medical Office Claims.