SFO becomes first US airport to formally launch airplane wastewater testing for emerging Covid-19 variants
Briefly

San Francisco International Airport has launched a program with the US Centers for Disease Control and Prevention to test wastewater from airplanes for traces of emerging coronavirus variants.Traces of the virus that causes Covid-19 can be detected in people's feces when they are infected, even if they don't have symptoms.
Read at www.cnn.com
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