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First human-to-dog transmission of monkeypox emerges, what should I worry about?

Time:2023-03-27 05:02:53 author:Zoo Read:181次
First human-to-dog transmission of monkeypox emerges, what should I worry about?

Posted on September 2, 2022, 8 minutes read Author: Yin Hao Editor: Red Queen Will we be infected with monkeypox by puppies and kittens? More worrying is the transmission of monkeypox from humans to animals, which could be the beginning of the virus becoming more sinister. A four-year-old Italian greyhound in Paris appears to have become the first reported case of monkeypox infection in a domestic dog. . The dogs also developed suspicious blisters 12 days after their owners developed symptoms of monkeypox infection, the researchers report. Later tests confirmed that the same strain of monkeypox virus had infected one of the male-male partners and their dog. Italian greyhound infected with monkeypox Photo: ANNE BENTZ, EYEEM Pet infection is a theoretical risk, we pet, kiss dogs, hold them on our laps and share food with them on a daily basis. Considering the close relationship people have with their pets, cases of monkeypox infection in pets are not surprising. PHOTO: WILIAM CULVER Although the infected dog has recovered, the case of this canine infection has caused concern among pet owners. They worry about contracting monkeypox from cats and dogs, or that pets may be at risk. Photo: LIGHTSPRUCH Jeff Doty, team leader for the monkeypox response at the US Centers for Disease Control and Prevention (CDC), said that overall, little is known about monkeypox infections in companion animals such as dogs and cats. The CDC has a list of monkeypox symptoms that dogs may experience, including lethargy, refusal to eat, cough, runny nose or tears, and the appearance of blisters. PHOTO: STACY KRANITZ It is unclear whether dogs infected with monkeypox can transmit it to other dogs or wild animals, much less whether they might re-transmit it to humans. It depends on the details of the infection and how it spreads: Humans can get the virus from dogs, but the biggest risk is still human-to-human contact, Doty said. Credit: DESIGN PICS INC Like about 60% of human diseases, monkeypox is zoonotic: it originates in animals and then infects people. The virus was discovered in captive monkeys used for research in Denmark in 1958, but is primarily a rodent virus at its roots. The primary animal host for monkeypox remains a mystery. What is currently known is that small rodents carry the virus in the rainforests of Central and West Africa, where monkeypox virus is endemic. PHOTO: WIM VAN DEN HEEVER In 1970, 12 years after monkeypox was first identified, the first human case was diagnosed. By 2010, reports of human-to-human transmission began to emerge. In 2017, Nigeria began to have a local outbreak. Today, monkeypox has spread from person to person around the world. While the risk for dogs and cats appears to be small, there is limited information currently known about which animals are susceptible to monkeypox. Squirrels, monkeys, great apes, and certain rodents, as well as hedgehogs, shrew, chinchillas, and other small mammals, are all at risk. PHOTO: JOEL SARTORE There is also particular concern that monkeypox could infiltrate the U.S. rodent population, which typically lives in large social groups. Research from the lab has some good news: The ubiquitous urban rodent appears to develop immunity to monkeypox within days of birth. Photo by J.N. Stuart Humans pose a greater risk to animals as a whole. Public health agencies stress that people infected with monkeypox should avoid contact with pets, livestock, captive animals, and wild animals. Transmission from humans to animals may create new endemic hosts and entirely new transmission chains. Viruses move from one species to another, which can make monkeypox nearly impossible to eradicate. Adapting to a new host allows the virus to evolve and potentially develop and mutate in different ways, meaning it could become more contagious or more threatening. PHOTO: JOHN STANMEYER If a person infected with monkeypox has not been in close contact with a pet after developing symptoms, the CDC recommends having a friend or family member who lives elsewhere take care of the pet until the owner is fully recovered. Close contact with pets, defined as petting animals, sharing food, or sleeping places, can all lead to monkeypox infection. PHOTO: RACHEL DENNY CLOW Owners who have been quarantined at home and must care for healthy pets should wash their hands before and after caring for their pets, and cover all rashes, gloves, and a suitable mask when touching their pets. Considering that the infected sores are full of infectious viruses, owners should not only try to avoid close contact with pets, but also try to keep pets away from close-fitting clothes, sheets and towels. PHOTO: MARTIN MEJIA To further avoid the spread of risk, pet feces should not be left outdoors, which may increase the risk of viruses infecting wild animals. Owners can consider flushing it down the toilet, or sealing it in a bag and throwing it away. According to the CDC, infected people should also avoid banging, drying their own clothing or contaminated sheets, as this could lead to further spread of the virus. Photo: SARAH ELLIS As another epidemic that has attracted worldwide attention after the new crown, WHO has declared monkeypox a "public health emergency of international concern". As of August, nearly 45,000 confirmed cases have been reported in more than 96 countries and regions, with more than one-third of the cases concentrated in the United States. Source: CDC In our day and age, monkeypox should never have been a public health emergency. Unlike COVID-19, which is extremely transmissible, the spread of monkeypox virus requires close contact with an infected individual's rash, scabs, bodily fluids, or contaminated bed sheets. Often, skin-to-skin contact is also included in these transmissions. However, the spread of monkeypox was not contained in time due to the lack of access to proper testing, the emergence of misdiagnosed cases, and the cumbersome diagnostic procedures in the early stages of the monkeypox outbreak. On July 14, medical staff help people waiting to be vaccinated at a vaccination site in New York Photo: MICHAEL NAGLE The occurrence of "mutual transmission" of monkeypox between humans and animals does not mean this will become the norm, but it is more worrying However, the exact diagnosis of monkeypox is still unclear. As epidemiologist Wafaa El-Sadr said - "I am concerned that the number of cases we have counted is likely to be just the tip of the iceberg." 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