In March 2020, the American College of Radiology recommends that "CT should not be used for screening or as a first-line test to diagnose COVID-19." In March 2020, the CDC recommends PCR for initial screening .
Kufikia Machi 2020, Chuo cha Rediolojia cha Marekani kinapendekeza kwamba &quot;CT haipaswi kutumika kufanya uchunguzi au awamu ya kwanza ya vipimo vya kuchunguza COVID-19&quot;.Kufikia mwezi Machi 2020, kituo cha CDC kinapendekeza PCR itumike katika uchunguzi wa awali.