Mercy Health – Youngstown is offering the Pfizer vaccine for ages 12 to 15 beginning today at the North Lima Medical Center, 9471 Market St. Appointments are available via Mercy Health MyChart, mercy.com or by calling the vaccination scheduling line at 866-624-0366. A parent or legal guardian must be present for the vaccination to be given. Mercy Health is still offering Pfizer and Moderna vaccines for all adults at several locations throughout the Valley. Appointments can be made online at mercy.com.