Weekly Differences in Cumulative COVID-19 Vaccination Coverage and Comparison Between 2024–25 and 2023–24 Among Adults 18 Years, Overall, by Selected Demographics

• Weekly COVID-19 Vaccination Coverage and Comparison among adults 18 Years and Older by Selected Demographics and by Season

• Weekly estimates of COVID-19 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.

• Weekly comparisons to previous season should take into account differences between seasons in vaccine availability dates. 2023–24 COVID-19 vaccines were first available mid-September 2023, and 2024–25 and 2025–26 COVID-19 vaccines were first available at the end of August 2024 and 2025, respectively.

• The NIS-FRVM data posted on the dashboard below are currently a few days behind the data that are posted on the Respiratory 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.  
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• 按选定人口统计学特征及季别划分的18岁及以上成年人新冠疫苗接种覆盖率与季间对比
• 成人新冠疫苗接种覆盖率及接种意愿的周度估算值，均基于全国免疫接种调查（National Immunization Surveys, NIS）-秋季呼吸道病毒模块（NIS-FRVM）的数据计算得出，数据来源链接：https://www.cdc.gov/nis/about/index.html。
• NIS-FRVM是一项针对18岁及以上成人所在家庭的持续性随机数字拨号手机电话调查。所有估算值均基于受访者自我报告的疫苗接种情况及对应接种月份得出。
• 进行季间周度对比时，需考虑不同接种季的疫苗上市时间差异。2023-2024新冠疫苗接种季的首批疫苗上市时间为2023年9月中旬，2024-2025及2025-2026新冠疫苗接种季的首批疫苗上市时间分别为2024年8月底及2025年。
• 下文数据仪表盘所发布的NIS-FRVM数据，目前较呼吸道疾病数据频道（https://www.cdc.gov/respiratory-viruses/data/index.html）公示的数据滞后数天。该数据滞后系因需耗费时间按地理及社会人口统计学特征审核数据并汇总研究结果。（以下内容已作精简展示）