Pediatric Pfizer vaccine available for individuals 5-11 years old. Currently limited to Cass County residents and students at Cass County schools. Second dose Pfizer should be given at 21 days after first shot, but may be given as early as 17 days. Third dose for immunocompromised should not be given earlier than 28 days after the second dose. Booster dose for high risk populations should be given no earlier than 6 months after second dose