Get Ready for the School Year: Sports Physicals & Immunizations Made Easy. CASA along with Sentara Health and Prince William Health District are offering FREE immunizations and sports physicals for students in grades 7-12. Immunizations include HPV, Tdap, and Meningococcal (MenACWY). What to Bring: Student’s current immunization record Parent or guardian (for those 17 and under) with valid ID if available Vaccines are available on a walk-in basis while supplies last. Appointments are required for sports physicals. Clinic Details: Date: August 13th Time: 9AM – 5PM Location: CASA, 2359 Research Ct, Woodbridge, VA 22192 To register, complete the form below or call 571-421-2211.