
This week on "Face the Nation," July 18: McClure, Gottlieb, Mullen, Krebs, Becker
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Date: Sunday, July 18, 2021 TV: "Face the Nation" airs Sunday mornings on CBS. Click here for your local listings Radio: Subscribe to "Face the Nation" from CBS Radio News to listen on-the-go Free online stream: Watch the show on CBS' streaming network CBSN at 10:30 a.m., 1 p.m. and 4 p.m. ET.
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In the past year, over 135 million passengers traveled to the U.S. from other countries. To infectious disease experts, that represents 135 million chances for an outbreak to begin. To identify and stop the next potential pandemic, government disease detectives have been discreetly searching for viral pathogens in wastewater from airplanes. Experts are worried that these efforts may not be enough.