Chip Getchell administers the first dose of the Moderna COVID-19 vaccine at Delta Ambulance in Waterville on Wednesday morning. A second booster injection is required 28 days later.

Chip Getchell administers the first dose of the Moderna COVID-19 vaccine to Mike Record, a paramedic at Delta Ambulance, in Waterville on Wednesday morning. A second booster injection is required 28 days later.

Chip Getchell administers the first dose of the Moderna COVID-19 vaccine to Jessica Dorgai, a paramedic at Delta Ambulance in Waterville, on Wednesday morning. A second booster injection is required 28 days later.

Chip Getchell measures a dose of the Moderna COVID-19 vaccine as he administers the first doses to EMS staff at Delta Ambulance in Waterville on Wednesday morning. A second booster injection is required 28 days later.

Chip Getchell administers the first dose of the Moderna COVID-19 vaccine at Delta Ambulance in Waterville on Wednesday morning. A second booster injection is required 28 days later.

The first doses of the Moderna COVID-19 vaccine arrived at Delta Ambulance in Waterville on Wednesday. A second booster injection is required 28 days later.

Chip Getchell administers the first dose of the Moderna COVID-19 vaccine at Delta Ambulance in Waterville on Wednesday morning. A second booster injection is required 28 days later.