Nearly 100 students received a diluted amount of the Pfizer vaccine at a clinic held on Wednesday, Nov. 10, at South Lake Elementary School in Montgomery Village, Maryland.

Parents were notified by phone Monday night of the mix-up, according to a Montgomery County government news release. An additional clinic will be held at the school next Wednesday, Nov. 17, for the affected children to get an additional dose. Children who can’t attend that clinic are being advised to schedule another appointment at their earliest convenience.

Full story at WTOP.com