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AI does a poor job of diagnosing COVID-19 from coughs, study finds

Early in the pandemic, a number of researchers, startups and institutions developed AI systems that they claimed could diagnose COVID-19 from the sound of a person’s cough. At the time, […]




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Virtual research institute battles Long COVID with backing from Ethereum co-creator Vitalik Buterin

A new nonprofit “startup” is emerging from stealth today with $15 million in funding from Ethereum co-creator Vitalik Buterin, with a focus squarely on studying and treating Long COVID. While […]




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For mental health startups, happiness is in niches

Welcome to The TechCrunch Exchange, a weekly startups-and-markets newsletter. It’s inspired by the daily TechCrunch+ column where it gets its name. Want it in your inbox every Saturday? Sign up […]
















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Phylagen, which tracks indoor microbiomes, says it’s right now “racing to meet demand”

Two years into a worldwide pandemic, outfits around the globe are wrestling with how to resume their in-person operations safely. Consider that Apple just scrapped its office-return deadline, while Google, […]