Some colleges are betting on new, proprietary tests they've developed to keep the college safe. The idea is, test everyone at least twice a week and you can catch most infections early.
published in PNAS found that silent disease transmission during the presymptomatic and asymptomatic stages are responsible for the majority of cases.
The CDC's guidance on campus testing was last updated in late June. Now, as the evidence continues to evolve, a spokesperson for the agency tells NPR they will re-evaluate the guidance in light of the new research."CDC will incorporate this [JAMA Network Open] study into the body of scientific evidence to date regarding entry testing for college students and will continue to evaluate the guidance," a spokesperson wrote in an email.
Researchers at these institutions say the challenge has been to develop a test that won't be subject to supply chain snags — and can deliver results faster and cheaper. They say they've found a way of working around a time-consuming step in the lab analysis of samples, by using heat to"break open" the virus., an assistant professor of epidemiology at Yale School of Medicine."You lose the most expensive step and the most time-consuming.
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