Testing for COVID-19 has declined. Experts worry it's too soon for the US to let its guard down.

WESTMINSTER, CA - OCTOBER 16: Physicians assistant Tom Bui administers a COVID-19 test at Temple Dieu Ngu in Westminster, CA, on Friday, October 16, 2020. The Orange County Health Care Agency has contracted with the OC Asian American Pacific Island COVID-19 Taskforce to increase testing in these disproportionately affected communities. Together, they are launching the API Testing Strike Team with testing locations county-wide offering testing three times a week through December 31, 2020.
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