Notice from Clinton County Health Department
Many at-home, over the counter, COVID-19 diagnostic tests have had their expiration dates extended. 
If you have tests at home, use the FDA’s search tool to see if the expiration date has been extended.
Log onto https://www.fda.gov/medical-devices/coronavirus-covid-19-and-medical-devices/home-otc-covid-19-diagnostic-tests and enter the brand name.