Resources Public Health Websites Centers for Disease Control and Prevention Food and Drug Administration National Institutes of Health World Health Organization Florida Department of Health Local and Community Resources County Health Departments Baker County Department of Health — (904) 259-6291 Clay County Department of Health — (904) 529-2800 or (904) 272-3177 Duval County Department of Health — (904) 253-1000 Nassau County Department of Health — (904) 875-6100 St. Johns County Department of Health — (904) 209-3250 Florida Department of Health COVID-19 Call Center Information Line – (866) 779-6121 City Information City of Jacksonville