Cloth face masks offer two-way protection, benefitting both the wearer and those around them.
The researchers say this is the longest anyone has been reported to be contagious with COVID-19 while remaining asymptomatic.
A famous equation used in the search for alien life has inspired a new model that estimates the risk of COVID-19 transmission.
The agency now defines close contact as "someone who was within 6 feet of an infected person for a cumulative total of 15 minutes or more over a 24-hour period."
The letter appears to be a response to the controversial proposal known as the Great Barrington declaration.
A man in the U.K. developed sudden and permanent hearing loss in one ear after battling a severe case of COVID-19, according to a new report.
The new coronavirus can linger on human skin much longer than flu viruses can, according to a new study from researchers in Japan.
The revised guidance follows the CDC's blunder last month, in which the agency posted, and then deleted, information on airborne spread from its website.
Like the syndrome in children, MIS-A is a severe illness that targets multiple organs and causes increased inflammation.
The state's governor has issued a disaster declaration for the county where the deadly amoeba was found.
Customers will have the option to take a COVID-19 test at the airport or to submit a self-collected mail-in test.