Weekly Differences in Cumulative Influenza Vaccination Coverage and Comparison Between 2024-25 and 2023-24 Among Adults 18 Years, Overall, by Selected Demographics

Weekly Influenza Vaccination Coverage and Comparison among adults 18 Years and Older by Jurisdiction. Weekly estimates of influenza vaccination coverage and intent for vaccination among adults are calculated using data from the National Immunization Surveys (NIS)-Fall Respiratory Virus Module (NIS-FRVM) (https://www.cdc.gov/nis/about/index.html). The NIS-FRVM is an ongoing random-digit-dial cellular telephone survey of households with adults 18 years and older. All estimates are based upon self-reported receipt of vaccination and month of that vaccination. The NIS-FRVM data posted on the dashboard below are currently a few days behind the data that are posted on theRespiratory Illnesses Data Channel (https://www.cdc.gov/respiratory-viruses/data/index.html). This lag is due to the time it takes to review data by geographic and sociodemographic characteristics and summarize the findings. Read less