How many COVID-19 infections are undetected? Studying its mutations may hold the answer
As of the end of June, there were more than 10.4 million confirmed cases of COVID-19 worldwide. The real number, of course, is much higher, though unknown, because of limited tests and because of how many people who are infected never have symptoms and so never think to get a test. At the nonprofit Chan Zuckerberg Biohub, researchers are using changes in the virus genome to estimate the number of undetected infections—and found that in some areas, more than 90% of cases weren't discovered.
Read in Fast Company: https://apple.news/ARBdEsZrhS-uYYMEGBTGOTA
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