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Top Ten Animal-Human Diseases for Your Files (And for Your Family’s Health)

Posted Aug 10 2010 2:00pm
I love hosting guest posters; even more so when they have a critical message to convey. Today’s post on diseases your pets can unwittingly convey to you and your family — and vice versa — is authored by Anna van Heeckeren, one influential veterinarian and the American Veterinary Medical Foundation’s outgoing chair, to boot. (Powerful women seems to be a key theme on FullyVetted this week.)
 

I met Anna at the AVMA Convention a couple of weeks back, at which point her dedication to her mission was obvious: Pets, livestock or wildlife doubtless add to our quality of life, but to ensure ideal conspecific comfort, we’ve got to work hard to ensure that all species remain as free of communicable diseases as possible. To that end, Dr. van Heeckeren gets her say…

Top 10 List of Nasty Zoonoses

by Dr. Anna M. van Heeckeren of The van Bakeren Foundation

First off, you may ask yourself: what is a zoonoses? It's the plural of zoonosis, which is a disease that can be passed from an animal to a person (and sometimes the other way around). Zoonoses can be caused by any number of different germs, like viruses, bacteria, parasites, fungi, and even strange proteins called prions.

There are too many zoonoses out there for all of them to make the top ten list. For instance, there are fifty-four listed as zoonotic diseases of importance in the U.S., according to one recent article in the Journal of the American Veterinary Medical Association. In that list, there are twenty-three that can be passed from dogs to people; twelve of which have caused human deaths, and another five that rarely cause human death. There are twenty listed that can be passed from cats to people (some are the same as those from dogs); ten of those can cause human deaths, and another five that rarely cause human death.

This top ten list of nasty zoonoses that can be passed to people from dogs or cats range from the mildly annoying to the incapacitating to the deadly
1. Tapeworm
This parasite can be transmitted from accidentally ingesting a flea from your dog or cat. Symptoms if infected with a flea tapeworm include stomach aches, diarrhea, and an itchy butt.

2. Ringworm
This is often confused with another zoonosis called roundworm (see below). Ringworm is a fungus that is fairly common in dogs and cats. It is often found in shelters, and can be passed to people who pet an infected animal. It usually leaves people with a skin rash that's uncomfortable.

3. Roundworm
This is a parasite found in almost every puppy and kitten. They usually get it from their mothers before they're born or from drinking mother's milk. They spread this disease through their poop. People can accidentally ingest them if they handle dirt (or poop) containing these nasty roundworm eggs and forget to wash their hands before eating. Fortunately, most people don’t get horrible symptoms, but for those that do, they include stomach problems, vision problems, and seizures; rarely does it lead to death.

4. Hookworm
This is another parasite that, like roundworm, can be spread through animal poop. But it can also infect people through direct skin contact, like when walking in bare feet outside on contaminated dirt. Symptoms range from no symptoms to as severe as blood loss leading to stunted growth and mental retardation in children, and rarely death.

5. Cat scratch disease
This is caused by bacteria found in the claws of some cats, though some people report a cat bite can also cause this. Usually there’s a mild infection where the injury occurs, but can lead to swollen lymph nodes, fever, headache, and a poor appetite. Rarely does it lead to other complications.

6. Leptospira
This is a bacteria that can be found in the urine (pee) of dogs. People can develop many symptoms similar to that of a cold (fever, chills, headache, muscle aches, vomiting, diarrhea), after which they feel better and then get sick again with severe kidney or liver disease, or infection of the brain (Weil’s disease). It can also lead to death.

7. Toxoplasma
This is caused by a parasite that most people have heard about that can be found in contaminated kitty litter. It can also be found elsewhere, so you can’t always blame the cat for this one. Symptoms can include swollen glands and muscle aches as if you have the "flu." Pregnant women should be especially careful because this disease can infect the developing baby and cause deformity or miscarriage.

8. Alveolar echinococcosis (another tapeworm)
This parasite can form tumors in the liver and sometimes the lung, brain, and other organs. If this is not treated, it can be fatal.

9. Plague
While you may think this is no longer a real fear, it’s still around in some parts of the world. This is caused by a bacterium that infects fleas. If an infected flea bites you, you can get infected too. This can lead to death if not treated.

10. Rabies
This virus should be well known by the public. It is caused by a bite from an infected animal, like a dog or cat. Thankfully, this is not common in dogs or cats, because of successful rabies vaccination programs.

So, while scary, the good news is that you can easily prevent getting diseases from dogs and cats (and other animals) by remembering these three easy steps
1. Vet up
Take your pet to a veterinarian at least once a year to get the vaccines and medications needed.

2. Pick up
Pick up animal poop daily and throw it in the trash, and keep your home neat and clean (and your yard, if you have one).

3. Wash up
Wash your hands frequently, especially before mealtime.

If you’re scared enough that you want to know if you or your pet is infected, go to your doctor or veterinarian. It’s as simple as that.

Want to make a difference and donate to a non-profit that is dedicated to eliminating the spread of zoonotic diseases? Then please visit The van Bakeren Foundation to find out how.


Gotta love the "vet up, pick up, wash up" theme. Thanks, Anna!

For good measure, I’ll be offering a rebuttal to Anna’s post on her blog. It’s to do with how often I run across these top ten issues and how I handle them. Stay tuned!



Dr. Patty Khuly
 

Pic of the day: "The Devil's Own ... by Stefanos (15 years old!!!)" by elenibass
 
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