Holy Cross Health COVID-19 Vaccine Center Accepting Walk-ins Holy Cross Health COVID-19 Vaccine Center is accepting walk-ins for Pfizer vaccines to those 16 and older Monday - Friday between 9 am and 1 pm at 4701 N. Federal Highway, Building C, Fort Lauderdale, FL 33308. Vaccine consent forms can be filled out in advance. Appointments for second doses are scheduled after the first dose is received, however second doses require an appointment. Eligible minors must be accompanied by a parent and supply proof of age. Appointments also are available weekdays from 8 a.m. – 2:30 p.m. Drop off the vaccine consent form in the drop box located on the south side of the Vaccine Center and you will be called for an appointment.