Virus­sniff­ing dogs de­ployed

San Francisco Chronicle Late Edition - - FROM THE COVER -

Fin­land has de­ployed coronaviru­s­sniff­ing dogs at the Nordic coun­try’s main in­ter­na­tional air­port in a four­month trial of an al­ter­na­tive test­ing method that could be­come a cost-friendly and quick way to iden­tify in­fected trav­el­ers.

Four dogs of dif­fer­ent breeds trained by Fin­land’s Smell De­tec­tion As­so­ci­a­tion started work­ing Wed­nes­day at the Helsinki Air­port as part of the gov­ern­ment­fi­nanced trial.

It takes the dog about 10 sec­onds to sniff the virus sam­ples be­fore it gives the test re­sult by scratch­ing a paw, lay­ing down, bark­ing or oth­er­wise mak­ing its con­clu­sion known.

Antti Aimo-Koivisto / Lehtikuva/AFP via Getty Im­ages

The coronaviru­s snif­fer dogs sit near their train­ers at the Helsinki air­port in Van­taa, Fin­land.

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