(WTNH) — The first COVID vaccine mobile clinic of its kind in the country is making rounds in Connecticut.

Federal Emergency Management Agency (FEMA)’s mobile COVID vaccination unit opened in Bridgeport last month.

RELATED: CT deploys FEMA’s first COVID vaccine mobile unit in Bridgeport

The unit is expected to handle at least 250 people a day. For the time being, Pfizer or Moderna will be administered in lieu of Johnson & Johnson, and second-dose appointments will typically be made while getting the first dose.

RELATED: FEMA’s mobile vaccination unit makes stops in eastern CT’s vulnerable communities

In May, the mobile vaccination unit will visited the following towns and cities:

  • Bridgeport — Coming back May 18 through 27
  • Killingly
  • Middletown
  • New Haven
  • New London
  • Norwalk
  • Norwich
  • Stamford
  • Windham

In April, FEMA visited Danbury, East Hartford, Hartford, Meriden, New Britain, North Canaan, Waterbury, and Winsted.

All of the communities listed above were chosen based on the CDC’s COVID Vulnerability index.

People can make an appointment by calling 211. Walk-ups are also acceptable starting April 27.