Toronto, Canada (CTV Network) -- Dogs have been trained to sniff out bombs, drugs and even cancer. Now, a new study has found that dogs may also be able to detect COVID-19 just from smelling skin swabs.

For a study published last week in the journal BMJ Global Health, researchers in Finland trained four sniffer dogs to pick out whether or not a person had COVID-19, and found that the dogs were 92 per cent accurate.


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