COVID-19 Vaccinations by Town - ARCHIVED

NOTE: As of 2/16/2023, this table is not being updated. For data on COVID-19 updated (bivalent) booster coverage by town please to go to https://data.ct.gov/Health-and-Human-Services/COVID-19-Updated-Bivalent-Booster-Coverage-By-Town/bqd5-4jgh.

This table shows the number and percent of residents of each CT town that have initiated COVID-19 vaccination, are fully vaccinated and who have received additional dose 1.

All data in this report are preliminary; data for previous dates will be updated as new reports are received and data errors are corrected.

In the data shown here, a person who has received at least one dose of COVID-19 vaccine is considered to have initiated vaccination. A person is considered fully vaccinated if he/she has completed a primary vaccination series by receiving 2 doses of the Pfizer, Novavax or Moderna vaccines or 1 dose of the Johnson & Johnson vaccine. The fully vaccinated are a subset of the people who have received at least one dose.

A person who completed a Pfizer, Moderna, Novavax or Johnson & Johnson primary series (as defined above) and then had an additional monovalent dose of COVID-19 vaccine is considered to have had additional dose 1. The additional dose may be Pfizer, Moderna, Novavax or Johnson & Johnson and may be a different type from the primary series. For people who had a primary Pfizer or Moderna series, additional dose 1 was counted starting August 18th, 2021. For people with a Johnson & Johnson primary series additional dose 1 was counted starting October 22nd, 2021. For most people, additional dose 1 is a booster. However, additional dose 1 may represent a supplement to the primary series for a people who is moderately or severely immunosuppressed. Bivalent booster administrations are not included in the additional dose 1 calculations.

The percent with at least one dose many be over-estimated, and the percent fully vaccinated and with additional dose 1 may be under-estimated because of vaccine administration records for individuals that cannot be linked because of differences in how names or date of birth are reported.

Percentages are calculated using 2019 census data (https://portal.ct.gov/DPH/Health-Information-Systems--Reporting/Population/Annual-Town-and-County-Population-for-Connecticut).

Town of residence is verified by geocoding the reported address and then mapping it to a town using municipal boundaries. If an address cannot be geocoded, the reported town is used, if available. People for whom an address is not currently available are shown in this table as “Address pending validation”. Out-of-state residents vaccinated by CT providers are excluded from the table.

Town-level coverage estimates have been capped at 100%. Observed coverage may be greater than 100% for multiple reasons, including census denominator data not including all individuals that currently reside in the town (e.g., part time residents, change in population size since the census), errors in address data or other reporting errors. Also, the percent with at least one dose many be over-estimated, and the percent fully vaccinated and with additional dose 1 may be under-estimated when records for an individual cannot be linked because of differences in how names or date of birth are reported.

Caution should be used when interpreting coverage estimates for towns with large college/university populations since coverage may be underestimated. In the census, college/university students who live on or just off campus would be counted in the college/university town. However, if a student was vaccinated while studying remotely in his/her hometown, the student may be counted as a vaccine recipient in that town.

SVI refers to the CDC's Social Vulnerability Index - a measure that combines 15 demographic variables to identify communities most vulnerable to negative health impacts from disasters and public health crises. Measures of social vulnerability include socioeconomic status, household composition, disability, race, ethnicity, language, and transportation limitations - among others. Towns with a "yes" in the "Has SVI tract >0.75" field are those that have at least one census tract that is in the top quartile of vulnerability (e.g., a high-need area). 34 towns in Connecticut have at least one census tract in the top quartile for vulnerability.

Connecticut COVID-19 Vaccine Program providers are required to report information on all COVID-19 vaccine doses administered to CT WiZ, the Connecticut Immunization Information System. Data on doses administered to CT residents out-of-state are being added to CT WiZ jurisdiction-by-jurisdiction. Doses administered by some Federal entities (including Department of Defense, Department of Correction, Department of Veteran’s Affairs, Indian Health Service) are not yet reported to CT WiZ.  Data reported here reflect the vaccination records currently reported to CT WiZ.

Note: This dataset takes the place of the original "COVID-19 Vaccinations by Town" dataset (https://data.ct.gov/Health-and-Human-Services/COVID-19-Vaccinations-by-Town/pdqi-ds7f) , which will not be updated after 4/15/2021. A breakdown of vaccinations by town and by age group is also available here: https://data.ct.gov/Health-and-Human-Services/COVID-19-Vaccinations-by-Town-and-Age-Group/gngw-ukpw .

As part of continuous data quality improvement efforts, duplicate records were removed from the COVID-19 vaccination data during the weeks of 4/19/2021 and 4/26/2021.

备注：截至2023年2月16日，本表不再更新。如需获取关于各城镇COVID-19（二价）加强针接种覆盖情况的数据，请访问https://data.ct.gov/Health-and-Human-Services/COVID-19-Updated-Bivalent-Booster-Coverage-By-Town/bqd5-4jgh。

本表展示了各康涅狄格州城镇居民接种COVID-19疫苗的接种人数及百分比，包括已完成全程接种和已接种额外剂次1的人群。

本报告中的所有数据均为初步数据；随着新报告的接收和数据错误的纠正，先前日期的数据将进行更新。

在此所示数据中，已接种至少一剂COVID-19疫苗的人被视为已开始接种。若个人通过接种辉瑞、诺瓦瓦克斯或莫德纳疫苗的2剂或强生疫苗的1剂，则被视为已完成基础疫苗接种系列，属于全程接种人群，该群体是至少接种一剂人群的子集。

完成辉瑞、莫德纳、诺瓦瓦克斯或强生基础疫苗接种系列（如上所述）并随后接种一剂额外单价COVID-19疫苗的人被视为已接种额外剂次1。额外剂次可能为辉瑞、莫德纳、诺瓦瓦克斯或强生疫苗，且可能与基础系列疫苗类型不同。对于已接种辉瑞或莫德纳基础系列的个人，额外剂次1的统计从2021年8月18日开始。对于已接种强生基础系列的个人，额外剂次1的统计从2021年10月22日开始。对于大多数人而言，额外剂次1为加强针。然而，对于中度或重度免疫抑制的个人，额外剂次1可能代表对基础系列的补充。二价加强针接种不包括在额外剂次1的计算中。

由于疫苗管理记录中存在姓名或出生日期报告方式不同导致的无法关联的个人记录，可能导致至少接种一剂的比例被高估，而全程接种和已接种额外剂次1的比例可能被低估。

百分比使用2019年人口普查数据计算（https://portal.ct.gov/DPH/Health-Information-Systems--Reporting/Population/Annual-Town-and-County-Population-for-Connecticut）。

居住城镇通过地理编码报告的地址，并将其映射到城镇的行政边界以进行验证。如果地址无法进行地理编码，则使用可用的报告城镇，如果有的话。对于目前尚无地址信息的人员，在本表中显示为“地址待验证”。在康涅狄格州接种疫苗的州外居民不包括在本表中。

城镇层面的覆盖率估计已上限为100%。由于多种原因，包括人口普查基数数据未包括城镇内所有当前居住者（例如，兼职居民，自上次普查以来人口规模的变化）、地址数据错误或其他报告错误，观察到的覆盖率可能超过100%。此外，当个人记录由于姓名或出生日期报告方式的不同而无法关联时，至少接种一剂的比例可能被高估，而全程接种和已接种额外剂次1的比例可能被低估。

在解读具有大型大学/学院人口的城镇的覆盖率估计时，应谨慎行事，因为覆盖率可能被低估。在人口普查中，居住在校园内或附近的大学/学院学生会被计入大学/学院城镇。然而，如果学生在其家乡远程学习期间接种疫苗，该学生可能被计入该城镇的疫苗接种者。

SVI指美国疾病控制与预防中心的社会脆弱性指数（Social Vulnerability Index），该指数通过结合15个人口统计变量来识别最易受灾害和公共卫生危机负面影响的社区。社会脆弱性指标包括社会经济地位、家庭构成、残疾、种族、民族、语言和交通限制等。在社会脆弱性指数大于0.75的“是否有SVI区域>0.75”字段中标记为“是”的城镇，至少有一个人口普查区位于脆弱性的前四分之一（例如，高需求区域）。康涅狄格州有34个城镇至少有一个人口普查区位于脆弱性的前四分之一。

康涅狄格州COVID-19疫苗接种计划提供者必须向康涅狄格州免疫信息系统（Connecticut Immunization Information System，简称CT WiZ）报告所有向康涅狄格州居民提供的COVID-19疫苗剂量信息。州外康涅狄格州居民的疫苗接种数据正在逐步纳入CT WiZ的辖区数据。一些联邦机构（包括国防部、司法部、退伍军人事务部、印第安人卫生服务）的疫苗接种数据尚未报告给CT WiZ。此处报告的数据反映了目前报告给CT WiZ的疫苗接种记录。

注意：本数据集取代了原始的“COVID-19疫苗接种按城镇”数据集（https://data.ct.gov/Health-and-Human-Services/COVID-19-Vaccinations-by-Town/pdqi-ds7f），该数据集将在2021年4月15日之后不再更新。按城镇和年龄段划分的疫苗接种细分数据也在此处提供：https://data.ct.gov/Health-and-Human-Services/COVID-19-Vaccinations-by-Town-and-Age-Group/gngw-ukpw。

作为持续数据质量改进工作的一部分，在2021年4月19日和4月26日的周内，从COVID-19疫苗接种数据中删除了重复记录。