While over 100 research teams across the globe are working hard to find a vaccine for COVID-19, dogs have been roped in to prevent its spread. Certain breeds of dogs are being trained to work as bio-detection dogs. These dogs are taught to detect bombs, guns, weapons and drugs as well as medical conditions in people. Every ailment has a specific odour, for example, the smell of a patient with tuberculosis changes from soggy cardboard to brine as per the infection and yellow fever smells like raw meat. Trainers are hoping to use this property to help dogs detect COVID-19. This effort is being carried out by the London School of Hygiene and Tropical Medicine, in collaboration with Medical Detection Dogs and Durham University, UK.
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