Dog gets monkeypox in first known case of human-to-animal transmission

France - In what appears to be the first documented instance of monkeypox spreading from humans to animals, a dog was likely infected with the virus by its owners in France, scientists say.

A pet Italian greyhound has become the first recorded case of human-to-animal monkeypox transmission (stock image).
A pet Italian greyhound has become the first recorded case of human-to-animal monkeypox transmission (stock image).  © 123RF/ccernoch

The development was reported in the Lancet medical journal.

The France case occurred in a household where two men live with their male Italian greyhound. The dog slept in the same bed with its owners.

The greyhound developed symptoms 12 days after the owners did, according to the report.

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The owners "had been careful to prevent their dog from contact with other pets or humans from the onset of their own symptoms," the report said.

A number of animals are susceptible to monkeypox, including several types of rodents, monkeys, apes, hedgehogs, shrews, and dogs, the the US Centers for Disease Control and Prevention says. It’s unknown whether that’s true for cats or farm animals, such as cows, goats, sheep, and pigs.

"We should assume any mammal can be infected with monkeypox virus," the agency wrote on a guidance page.

Health experts weigh in on the case

WHO experts say they do not know whether dogs can transmit the infection to other humans once they have been infected (stock image).
WHO experts say they do not know whether dogs can transmit the infection to other humans once they have been infected (stock image).  © 123RF/damedeeso

When asked about the canine case this week during a video conversation with the Washington Post, Dr. Rosamund Lewis, technical lead for monkeypox at the World Health Organization, said, "This is the first incident that we’re learning about where there is human-to-animal transmission."

"This has not been reported before, and it has not been reported that dogs have been infected before. So on a number of levels, this is new information," she said.

"It’s not surprising information, and it’s something that we’ve been on the watch out for."

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She added, though, that "we don’t know if that dog can go and transmit the infection to anyone else."

"This is an example where most pets will not be at risk. It may only be those who are actually in the household of someone who’s infected," she said.

Reducing risk of infection in pets

The CDC recommends not letting pets come in contact with contaminated clothing, sheets, and towels (stock image).
The CDC recommends not letting pets come in contact with contaminated clothing, sheets, and towels (stock image).  © 123RF/desperada

If a monkeypox-infected person did not have close contact with a pet after the onset of symptoms, the CDC suggests asking a friend or family member who lives in a different household to care for the animal until the owner fully recovers. Close contact with a pet includes petting the animal or sharing food or a sleeping area.

Owners who must care for their healthy pets during home isolation should, before and after caring for them, wash their hands, and while caring for them, cover any skin rashes and wear gloves and a well-fitting mask. Owners should do their best to avoid close contact with pets.

Pet owners also should try to keep their animals from coming into contact with contaminated clothing, sheets, and towels. Pus from the sores of an infected person are filled with contagious virus.

Pet waste should not be left outdoors because that could increase the risk of the virus infecting wildlife. It should be flushed down the toilet if possible, and if not, sealed in a bag before being thrown away.

Owners also should avoid shaking soiled laundry or contaminated bedsheets that could disperse contagious materials, according to the CDC.

Cover photo: 123RF/ccernoch

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