Capnocytophaga questions keep coming in. I guess that’s good in some ways, because I usually get a lot of blank stares when I mention that bacterium. A recent article about the risks of Capnocytophaga and exposure to dog saliva includes some good information about the topic, but the statements below highlight some issues: It’s important to… Continue Reading
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Capnocytophaga in the news… again
Posted in Dogs, UncategorizedEvery couple of months there’s a news report about a person with infection caused by the dog-associated bacterium Capnocytophaga canimorsus. Most of these reports don’t get too much attention, but every once in a while they get picked up pretty widely, resulting in another round of questions about this strange bacterium. It’s a bit of… Continue Reading
Dog bite near-death: A cascade of missed opportunities
Posted in DogsA few sentences into a Washington Post article entitled “A dog bite sent him to the ER. A cascade of missteps nearly killed him”, I was thinking, “This sounds like a pretty typical Capnocytophaga canimorsus infection. I wonder if this guy lost his spleen earlier in life.” It turns out that was true. Unfortunately, neither… Continue Reading
Dog Licks…Again
Posted in Dogs, Other diseasesEvery year or so, there’s a new wave of publicity/paranoia about the risks associated with dogs licking people. Often, it follows a study of bacteria that can be found in the mouths of dogs. It leads to a combination of balanced reports, sensational reports and defensive responses. What is the concern? Dog’s mouths are vats… Continue Reading
Capnocytophaga Back in the News
Posted in DogsCapnocytophaga canimorsus is a bit of an obscure bacterium. When I talk about it to veterinary or physician audiences, I’m usually met with blank stares – not surprising, since it’s not really mentioned in veterinary or medical school, from what I can tell. It’s a rare cause of infection, but a nasty one. The fact that it’s… Continue Reading
Another Capnocytophaga infection in a healthy person
Posted in DogsOK…time to get back to work writing. A couple weeks of conference organizing and uncountable Ebola calls are hopefully winding down, so back to the neglected blog. This bug is an obscure one that I write about regularly: Capnocytophaga canimorus. It’s found in the mouth of most dogs, so people are commonly exposed to it.… Continue Reading
Rare infection, not-so-rare bug
Posted in Dogs“Animal-loving grandmother died from rare infection after her pet dog licked her hand and bacteria spread into her bloodstream.” For me, the first thing I think of when I hear that is Capnocytophaga canimorsus (to which most people respond “Capno-whata cani-whatsis?”). It’s a tragic but textbook example of what this common dog-associated bacterium rarely can… Continue Reading
Attack of the marauding pine weevil
Posted in Other animalsThat’s a great title that I can’t take credit for. A colleague (and regular supplier of papers for blog posts) Dr. Stephen Page send me a paper from the Journal of Clinical Microbiology with a more convoluted title “The Capnocytophaga canimosus isolate that caused sepsis in an immunosufficient man was transmitted by the large pine… Continue Reading
“An unwanted gift from man’s best friend”
Posted in DogsI write about Capnocytophaga canimorsus regularly… disproportionately so, since it’s a rare cause of disease in people. However, though rare, when disease does happen it’s usually serious, and cases illustrate some important basic concepts that apply more broadly to other zoonotic diseases from pets. The title of this post is from the latest edition of… Continue Reading
Pets and peritoneal dialysis
Posted in CatsI’m not a big fan of the title of a paper in the latest edition of the Canadian Journal of Infectious Diseases and Medical Microbiology…”Pets are ‘risky business’ for patients undergoing continuous ambulatory peritoneal dialysis” (Yahya et al 2013), even though it’s an interesting paper that actually takes a reasonable approach to zoonotic disease risk… Continue Reading
Capnocytophaga Info Sheet
Posted in DogsWe’ve just posted a new info sheet about Capnocytophaga. One member of this bacterial group in particular, Capnocytophaga canimorsus, makes the news periodically because it can cause devastating infection in some individuals, like the Ottawa woman who lost three limbs after one of her own dogs accidentally bit her. This kind of severe infection, which… Continue Reading
Another Capnocytophaga infection
Posted in DogsThe title gives it away: "Single, uninsured Ottawa mom loses three limbs to rare illness." My first thought? Another Capnocytophaga canimorsus infection. That’s what is was – another rare but devastating infection cause by this bacterium, which can be found in the mouth of pretty much any dog. People get exposed to C. canimorsus very… Continue Reading
Capnocytophaga and dog bites: Changing disease or more reporting?
Posted in DogsI seem to write about this bug a lot – disproportionately for a rare cause of infection – but it just keeps getting attention. Reading the title of a recent article "Woman loses legs, fingers to rare infection from dog bite," it was an easy guess that the infection was caused by Capnocytophaga canimorsus. That’s the… Continue Reading
Dog bite infections in the news
Posted in DogsIt might just be my perception, but it seems like there are a lot more reports of nasty dog bite infections in the news lately, particularly infections caused by the bacterium Capnocytophaga canimorsus. I don’t know whether that’s because they are becoming more common, more commonly diagnosed (since the bug is hard to identify), more… Continue Reading
UK dog bite death inquest
Posted in DogsAn inquest into the dog-bite-associated death of Gary Dickinson, age 57, is underway in the UK. When people think about deaths from dog bites, they usually think about death from severe trauma, especially in kids. However, as I’ve mentioned repeatedly, minor bites can also pose major risks. Mr. Dickinson died in February, only three days… Continue Reading
Dog bite death
Posted in DogsA 35-year-old UK man has died following a seemingly innocuous dog bite. He was nipped by the family’s pet dog, not during an aggressive incident but just a playful, boisterous dog. Later, he developed a fever. He saw a doctor the next day and was told that he had influenza based on his clinical signs,… Continue Reading
Fatal dog bite
Posted in DogsThe family of a Washington state man is suing a dog owner after the man was bitten and developed a fatal infection. News reports are somewhat sketchy and contain some inconsistent information, but it appears that Kenneth Bock was bitten by Buddy, a coon hound, at his place of work. There are conflicting stories about… Continue Reading
No spleen + dog bite = beware
Posted in Dogs, Other diseasesA report from Seattlepi.com is a textbook example of what can happen to certain people after dog bites. Mike Moore tried to break up a fight involving his two dogs and received a minor bite. It barely broke the skin. No big deal, eh? Well, perhaps for most people, but unfortunately not for Mr. Moore.… Continue Reading
No spleen, no pets?
Posted in Other diseasesThe spleen is an important part of the immune system. It is especially important for fighting off certain types of infections. People who have had their spleen removed or whose spleen is not working properly are therefore at greater risk of some infectious diseases. The risk of infection is highest in the first few years… Continue Reading
Dog Bite Septicemia – Capnocytophaga canimorsus
Posted in DogsLots of people have heard of cat scratch fever (an infection caused by Bartonella henselae, which is often transmitted by cat scratches and bites), but dog bite septicemia is a much less familiar condition, although it is equally if not more serious when it occurs. As the name suggests, the infection (caused by the bacterium… Continue Reading
Information Sheets for Pet Owners
Posted in Birds, Cats, Clostridium difficile, Dogs, MRSA/MRSP, Other diseases, Parasites, Pocket pets, Rabies, Reptiles, Salmonella, ToxoplasmosisINFORMATION SHEETS FOR PET OWNERS INFORMATION SHEETS specifically for KIDS, for VETERINARIANS, for PHYSICIANS and for PUBLIC HEALTH PERSONNEL are also available on the Worms & Germs RESOURCES page! Click on the highlighted topics below for information sheets. Topics that are not highlighted are in development and coming soon. Sheets for other animal species and diseases are… Continue Reading