Colorado – A dog carrying plaque infection has spread the disease among at least four humans in the first of its kind dog-to-human bacteria transmission. According to the U.S. Centers for Disease Control and Prevention Health, the plaque first affected a two-year-old American pit bull terrier. The sickness advanced very fast due to which the dog had to be euthanized the next day at the office of a local veterinarian.


The terrier had symptoms such as high fever and jaw rigidity. The people who were in close contact with the dog, the owner, a friend of the owner and two veterinary technicians got infected with the plaque. According to one of the authors of the study, John Douglas, of Tri-County Health Department, Colorado, the doctors are surprised more at finding a dog as the source of transmission.

Dog and the Owner Test Positive

Four days from the death of the dog, the owner showed up at the hospital complaining of bloody cough and a high fever.

According to CDC, the first blood culture test could not identify the infection and had to be done again. The second results were positive for Y. pestis, which is a type of pneumonic plagues. When the remains of the dog were tested for this infection, the test came positive.

The news published in the ABC News says that dogs primarily do not have the tendency to get sick, or they suffer only from minor illness.

Another lead author of the study, Janine Runfola from the Tri-County Health Department has said that humans are more at risk of being infected from cats rather than dogs. That is why; the health experts are baffled with the latest findings. It is a common observation that cats develop the plaque symptoms more as compared to other canine creatures.

Fortunately, after spending 23 days in the hospital, the owner of the dog is back home, fully recovered. The three other individuals also have recovered completely.

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