The United States is considering sampling wastewater taken from international aircraft to track any emerging new Covid-19 variants as infections surge in China, as UK-based health experts estimate about 9,000 people a days are now dying of the disease in China.
The proposed of testing wastewater by the US Centers for Disease Control and Prevention would provide a better solution to tracking the virus and slowing its entry into the US than new travel restrictions announced this week, three infectious disease experts said.
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