Educators, others fill 500 slots at vaccine clinic Volunteer greeter Linda Smith checked patients’ temperatures and screened for COVID-19 symptoms at a Greenfield vaccine clinic on Sunday. STAFF PHOTO/MAX MARCUS Published: 4/11/2021 3:52:39 PM GREENFIELD — Nearly 500 vaccines were distributed by the city in a clinic on Sunday, with appointments booked solidly from 9 a.m. until 4 p.m. Registration for the clinic was opened early to educators in the Greenfield Public Schools system. On Thursday, registration was made available to the general public, and within about 20 minutes it was booked completely, said Danielle Letourneau, the chief of staff of the mayor’s office.