Beginning Nov. 20, 2023, every U.S. household can again place an order to receive four more free COVID-19 rapid tests delivered to their home by visiting If you did not order tests this fall, you may place two orders for a total of eight tests. 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.

Health Professionals

About the Updated Asthma Guidelines (2020)

Updated guidelines for the Diagnosis and Management of Asthma, released by the National Heart, Lung, and Blood Institute (NHLBI), provide the best available science-based information to use in the care of people living with asthma.

Tools and Resources for Professionals

Return to the Asthma Program webpage

This page was updated on April 19, 2023.