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Paw hygiene is no reason to ban assistance dogs from hospitals – they’re cleaner than people’s shoes

8 Mar 2021

Pawsitively hygienic.savitskaya iryna/Shutterstock

Well over 10,000 people in Europe use an assistance dog; think of guide dogs for people with a visual impairment, hearing dogs for people with a hearing impairment, medical response service dogs and psychiatric service dogs.

According to article 19 and 20 of a UN agreement, these dogs are welcome in hospitals, shops and other public places. In practice, though, many users and their dogs are regularly refused entry. Often, hygiene is given as the main argument.

When we heard about another one of those examples from a military veteran with post-traumatic stress disorder and his assistance dog, we decided to find out how much truth there is in claims that it’s not hygienic to allow dogs into a hospital. Our pilot study together with master’s student Jasmijn Vos (Faculty of Veterinary Medicine, Utrecht University) shows that the paws of assistance dogs are cleaner than the shoe soles of their users, and so paw hygiene is no reason to ban assistance dogs from hospitals.

Dogs are often refused entry for hygiene reasons.hanohiki/Shutterstock

We swabbed the paws of 25 assistance dogs and the shoe soles of their users. The participants were instructed to walk their dog for 15 to 30 minutes before the samples were taken. For comparison, we also investigated an equally sized group of pet dogs and their owners. We wanted to see if the training the assistance dogs received would lead to cleaner paws.

We examined the samples for poop bacteria (Enterobacteriaceae family), which are very common in the outdoor environment, and for an important diarrhoeal bacteria (Clostridium difficile).

The reason we focused on these bacteria is because earlier studiesshow that other hazardous bacteria, such as methicillin-resistant Staphylococcus aureus (MRSA), vancomycin-resistant enterococci (VRE) and extended-spectrum beta-lactamase (ESBL) Escherichia coli are rarely found on dogs. We also didn’t focus on saliva because assistance dogs are well trained and don’t use their tongues to discover their surroundings, so saliva is not a big risk.

Our results, which are published in the International Journal of Environmental Research and Public Health, showed that all dog paws turned out to be cleaner than shoe soles. The paws were negative for Enterobacteriaceae more often than shoe soles, and when they were positive, they carried fewer bacteria of this family. This renders the hygiene argument, which is often used to ban assistance dogs from public locations, invalid.

Also, the diarrhoeal bacteria did not occur on any of the dogs’ paws – both assistance dogs and pet dogs – whatsoever, and only once on a shoe sole in the assistance dog users’ group.

As this is a pilot study, the number of participants was limited and a future, larger study might be able to find out if there are any factors that can be linked to the presence of Enterobacteriaceae bacteria on paws and shoe soles. This study could not find any, but a larger sample size could resolve that.

Refused entry

We also surveyed Dutch assistance-dog users about their experiences. Around 81% are still regularly refused entry to public places with their dog, even though this is prohibited by law. This is mainly down to a lack of knowledge on the part of the person refusing entry: lack of knowledge on what an assistance dog is, how it can be recognised, and about the law.

The study also shows that assistance-dog users constitute only a small fraction of the total number of patients in Dutch hospitals. Should they decide to bring their assistance dog to the hospital, or elsewhere, this should be made possible. Assistance dogs are usually well behaved and are no more of a hygiene hazard than people.

The Conversation

Paul Overgaauw is affiliated with the European Scientific Counsel Companion Animal Parasites (ESCCAP)

Joris Wijnker is affiliated with the Royal Netherlands Veterinary Association as specialist veterinary public health. He serves in the Royal Netherlands Army as brigade veterinarian with the Operational Support Command Land

Read the full article here.
This content was originally published by The Conversation. Original publishers retain all rights. It appears here for a limited time before automated archiving.By The Conversation

Covid-19 – Johns Hopkins University

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