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Detector dogs are walking the halls of Massachusetts schools in search of COVID-19 photo 1

Detector dogs are walking the halls of Massachusetts schools in search of COVID-19 photo 2

Detector dogs are walking the halls of Massachusetts schools in search of COVID-19 photo 3

Detector dogs are walking the halls of Massachusetts schools in search of COVID-19 photo 4

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Detector dogs are walking the halls of Massachusetts schools in search of COVID-19

The COVID-19-sniffing dog program originated atFlorida International University in Miami, Florida. (Photo: WJAR)

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