“It’s a requirement,” said Kristen Feemster, director of research for CHOP’s Vaccine Education Center. “if the student doesn’t have everything they need, they may not be able to attend school until they’re up to date.”
https://billypenn.com/2019/08/08/if-youve-got-school-age-kids-the-time-for-vaccination-is-now/
By Michaela Winberg
The Collected Works of Jim Garrow 