The agency now tests sewage to keep tabs on the virus. See how the process works and how viral activity in your state compares to the national trends.

The U.S. Department of Health and Human Services said it will again make four free COVID tests available through the mail for households.

Any U.S. household can order four free COVID-19 tests on the United States Postal Service webpage specifically designated for the test kits. The tests along with shipping to households are free starting Sept. 30, according to the U.S. Postal Service.

Once again, the U.S. government is offering free COVID tests to every American households, starting Monday. Some may appear to be expired. Are they?

Free at-home COVID tests are available now to order online and have delivered to your door. Residents can request up to four free COVID-19 tests through the U.S. Department of Health and Human Services,

Through COVIDTests.gov, you can order up to four free COVID-19 tests per household, shipped at no cost to you. No payment or shipping fees are required. The tests are provided by the U.S. Department of Health and Human Services' Administration for Strategic Preparedness and Response.

Last week, I read that the U.S. government had resuscitated its pandemic-era initiative of flooding the country with free Covid tests. According to the Associated Press, the government will again provide families with as many as four tests “on the house,