Beginning on Sept. 25, every U.S. household can again place an order to receive four more free COVID-19 rapid tests delivered to their home by visiting Additionally, before you discard any “expired” test kits you have, please check here to see if the expiration dates of your COVID-19 tests have been extended.


The Infectious Disease section collects data to assess chronic and infectious disease and associated risk factors; identifies and responds to emerging infections, and conducts outbreak investigations and surveillance. The section is comprised of the following units and programs:


  • Epidemiology
    • Emerging Infections
    • Foodborne Disease
    • Public Health Preparedness
    • Vector borne and Zoonotic Diseases
  • Healthcare Associated Infections
  • Immunizations
    • Registry & Program Support
  • HIV/AIDS Prevention
  • AIDS Health Care and Support Services
  • HIV Surveillance
  • Viral Hepatitis Surveillance
  • Sexually Transmitted Diseases
  • Tuberculosis Control and Prevention