Dogs can often detect the effectiveness of COVID-19


This text is full of our letter “Le Courrier du coronavirus” of June 6, 2022. To subscribe, click here.

Man’s best friend is helpful, even in times of pandemic. Dogs detect COVID-19 with an efficiency comparable to that of PCR tests, according to a new French study in pairs.

A well-trained dog can detect in a few seconds whether or not a person is affected by COVID-19 or much faster than a PCR test. The property was already known, with man’s best friend already being used to detect certain forms of cancer.

Sweat samples from some 335 infected people were taken to the dogs to detect the virus. The results are surprising, especially since the asymptomatic people were all discovered. “The overall sensitivity of canine detection was 97%, reached 100% for asymptomatic people,” says the study. This rate compares with or exceeds the efficiency of tests performed with a swab.

It takes between three and six weeks to train a dog to detect COVID-19, according to the animal’s previous training, according to these researchers.

This French study, published on June 1, is in addition to several other conclusive studies in the same direction. In the real situation of airports, the detection rate of sick people reaches 92%.

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