We may need 300,000 contact tracers to defeat COVID-19. We have 2,200

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We may need 300,000 contact tracers to defeat COVID-19. We have 2,200

Enlarge/ Robert Redfield, director of the Centers for Disease Control and Prevention (CDC), speaks during a Coronavirus Task Force news conference at the White House in Washington, DC, on Wednesday, April 8, 2020.
39 with 26 posters participating
As Americ…
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