Less than 1/3 of COVID-19 vaccines distributed to Florida have been administered Director of Infection Prevention Chad Neilsen said expiration dates aren’t a concern for UF Health Jacksonville, but could become a challenge when mass distribution. Author: KGW VERIFY team, Haley Harrison Published: 11:34 AM EST January 9, 2021 Updated: 11:34 AM EST January 9, 2021 JACKSONVILLE, Fla — Pfizer and Moderna's COVID-19 vaccines have already been shipped across the U.S. by the thousands, but only a fraction of the doses delivered have been administered. In fact, Florida has received more than 1.3 million doses, according to a CDC dashboard Friday, but less than a third of them have gone into arms.