tracing

Inadequate testing and protracted delays in producing results have crippled tracking and hampered efforts to contain major outbreaks.Contact tracing in an office at the Florida Department of Health in Miami-Dade County in May.Credit...Lynne Sladky/Associated PressJuly 31, 2020Updated 10:01 a.m. ETIn Arizona’s most populated region, the coronavirus is so ubiquitous that contact tracers have been unable…

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When humans cut their way through forests to dig up gold and other minerals that go into phones, computers, and other devices, they run the risk of being a catalyst for a phenomenon called “spillover.” That’s what happens when a virus makes the leap from one species to another. It’s how two-thirds of new infectious…

(CNN)Despite hopes for relief this summer, the US is battling the first wave of the Covid-19 pandemic -- so much so that across the South and Southwest contact tracing is no longer possible, accordin…

Someone lets call her Person A catches the coronavirus. Its a Monday. She goes about life, unaware her body is incubating a killer. By perhaps Thursday, shes contagious. Only that weekend does she co…