Pfizer pediatric Covid19 clinic rules (please come prepared): 1. The clinic structure does not allow time for questions or concerns regarding the Covid19 vaccine, however we are happy to address these concerns prior to your appointment. Please send a portal message or call the office. 2. Please do not attend the clinic if the patient is sick. 2.Home‧FLU VACCINE CLINICS‧Internal Medicine‧Pediatric Medicine‧Forms‧Contact Us.