U.S. households will be able to order as many as four nasal swab tests at COVIDTests.gov when the federal program reopens.
First used in the 1940s to monitor for polio, wastewater surveillance proved such a powerful disease monitoring tool that the U.S. Centers for Disease Control and Prevention (CDC) established the ...
A new COVID variant is spreading rapidly and could soon become the dominant variant around the globe. The variant, called XEC, was first detected in Germany in August and appears to have a growth ...