COVID Update for 4/29

April 29, 2021




For interactive graphs and maps that provide additional data including metrics related to age, gender, and race/ethnicity, as well as data broken down by cities and towns, visit and click the Daily Data Report link.

Data updates on vaccine administration in Connecticut

The following data represents the total number of COVID-19 vaccines administered in Connecticut, as reported to the state as of today:


Total Administered

First dose administered


Fully vaccinated


Total doses administered


*A total of 111,419 doses of the single-dose J&J vaccine are included in all three categories

Connecticut continues to rank among the top three states in the nation for administering the most vaccines per capita.

All Connecticut residents over the age of 16 are currently eligible to receive the vaccines. Appointments must be made in advance at all clinics statewide. To learn how to make an appointment, visit and enter a zip code to find the nearest clinics.

Data updates on variants in Connecticut

The following data contains the cumulative number of SARS-CoV-2 variants that have been identified among Connecticut residents as of today:

Variants of concern

  • B.1.1.7 (first detected in the United Kingdom): 1,380 cases
  • B.1.351 (first detected in South Africa): 16 cases
  • P.1 (first detected in Brazil): 27 cases
  • B.1.427 (first detected in California): 58 cases
  • B.1.429 (first detected in California): 125 cases

Variants of interest

  • B.1.526 (first detected in New York): 460 cases
  • B.1.526.1 (first detected in New York): 105 cases
  • B.1.525 (first detected in Africa and Europe): 11 cases
  • P.2 (first detected in Brazil): 7 cases

Substitutions of Therapeutic Concern

  • E484K: 419 cases
  • L452R: 286 cases

For more information on variants, see page 7 of this week’s extended COVID-19 data report.

Weekly update on the impact of COVID-19 on nursing homes and assisted living facilities

The following documents contain the weekly data regarding each of the nursing homes and assisted living facilities in Connecticut that have reported positive cases of COVID-19 among their residents. The data is presented as it was reported to the state by each of the facilities.

*April 29, 2021 report on COVID-19 in Connecticut nursing homes

*April 29, 2021 report on COVID-19 in Connecticut assisted living facilities

Weekly update of the Department of Public Health’s COVID-19 Alert Map: 97 of 169 municipalities in red zone alert level

The Connecticut Department of Public Health today released its weekly COVID-19 Alert Map, which indicates that 97 of 169 towns and cities in Connecticut are currently in the red zone alert level, the highest of the state’s four alert levels.

The color-coded zones include:

  • Red: Indicates case rates over the last two weeks of greater than 15 per 100,000 population
  • Orange: Indicates case rates between 10 to 14 cases per 100,000 population
  • Yellow: Indicates case rates between 5 and 9 per 100,000 population
  • Gray: Indicates case rates lower than five per 100,000 population

The weekly alert map is also accompanied by a chart that provides guidance on recommended actions based on the alert levels for individual residents; institutions such as schools, houses of worship, and community organizations; and municipal leaders and local health directors.

The COVID-19 Alert Map is updated every Thursday afternoon and can be found within the Data Tracker page of the state’s coronavirus website at

Providing information to Connecticut residents

The CTAlert notification system – the state’s emergency alert system – provides text message notifications to users. Sign up by texting COVIDCT to 888-777. And for the most up-to-date information from the state on COVID-19 – including frequently asked questions, guidance and resources – visit