Free Flu Vaccine Clinic (San Mateo) October 14 @ 3:00 pm - 7:00 pm Free Flu Vaccine Clinic San Mateo Medical Center- Pediatric Clinic 222 West 39th Avenue, Third Floor, San Mateo, CA, United States Ages: 6 months - 17 years and older The following vaccines will be available: Flu and high dose Flu vaccine for adults 65 years and older. No appointment, ID or health insurance is needed Insured individuals can get the vaccine from their health care provider or pharmacy. Clinic information subject to change.