Dogs are being trained to sniff out COVID-19, and they’re better than the tests | Boing Boing

There are currently four COVID-19 sniffing dogs at the airport in Helsinki, Finland — part of a state-funded project to screen new arrivals who might be carrying the novel coronavirus.As The Guardian describes:

The canines were not sniffing the virus itself but rather tell-tale volatile chemicals produced when the virus infects cells, and released by the body.
The chemicals should be produced whether or not an infected person has symptoms, and only if the virus is active – suggesting that unlike current lab techniques, dogs are unlikely to pick up “dead” virus.

According to Harvard Medical School, “the reported rate of ……

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