Dogs can sniff out 90% of COVID-19 cases, even if they’re asymptomatic

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Dogs can sniff out 90% of COVID-19 cases

According to new research, trained dogs can sniff out COVID-19 infections to a high degree of accuracy regardless of whether those cases are asymptomatic.

In the new tests, scientists used the socks of 200 COVID-19 patients, doling them out to six poor dogs who were tasked with sniffing them, alongside others, in an attempt to figure who did and didn’t have COVID-19.

Dogs have many more scent receptors than humans and are over 100,000 times more accurate at identifying scents. Their noses are capable of smelling substances at a concentration of one drop in three Olympic-sized swimming pools.

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