If you have ever owned a dog, then you have heard of Rabies shots being required by law. But do you know what is it? Why is it a law that every dog must have them? Why does this word cause such fear among humans world wide?
Through an extreme effort of forced Animal vaccinations and tight post-exposure protocols, rabies is almost eradicated in the US. But worldwide something like 60,000 people die every year of rabies mostly in Asia and Africa. In the US one to three people still die from rabies every year. Every year more than 15 million people worldwide receive post-exposure vaccinations to prevent rabies. You may think that there is nothing to worry about if you do not get around getting your dog the required shots. If you have been reading the news lately about Ebola or Small Pox or that today (March 23rd 2015), a confirmed case of Tuberculous was reported from a high school in the US. This you might understand why there is still a concern about Rabies, which is considered to be another extremely dangerous virus, that could easily become another out of control virus.
You have probably heard stories of one of the most famous symptoms, the dog that foams at the mouth and is aggressive, biting everything it can get hold of. In the movies, the dog attacks , its eyes fiery red with madness and a snarling mouth full of foam. and the human dies of a dreadful painful death. You may have even heard of the terrible painful shots in the stomach that must be given if a human is bitten and the dog can not be found. Or perhaps you have heard of dogs that have bitten a human, quarantined for over two weeks, at owners expense, to ensure the dog doesn't have this dreadful and fatal illness.
But what are the facts about Rabies?
1. Rabies is a highly fatal viral infection of the nervous system that affects all warm-blooded animal species, including humans. Rabies is a viral illness spread via the saliva of an infected animal. This occurs usually through biting a human or another animal. Transmission can also occur through saliva touching an open wound or touching mucous membranes.
2. Once signs of rabies develop, there is no cure and the disease is fatal. For this reason, reducing the potential risk of rabies in our companion pets is very important.
The virus is most often transmitted from one animal to another through bite wounds. It then travels up through nerves, the spinal cord and eventually the brain.
Once the virus reaches the brain, death usually occurs within 10 days; it can take weeks to months for the virus to reach the brain, however.
3. Rabies is caused by the rabies virus. The virus infects the brain and ultimately leads to death. After being bitten by a rabid animal, the virus is deposited in the muscle and subcutaneous tissue. For most of the incubation period (which is usually one to three months), the virus stays close to the exposure site. The virus then travels via peripheral nerves to the brain and from there, again via peripheral nerves, to nearly all parts of the body.4. Any mammal can spread rabies. In the United States, rabies is most often transmitted via the saliva of bats, coyotes, foxes, raccoons, and skunks. In the developing world, stray dogs are the most likely animal to transmit rabies. The virus has also been found in cows, cats, ferrets, and horses.
5. The local health department will usually have information on which animals in the area have been found to carry the rabies virus. Each state has its own laws governing the frequency of administration of the rabies vaccine, but all agree that the first vaccine should be given around 24-26 weeks of age. A booster injection one year later is necessary. After that, laws vary and some areas require annual rabies vaccination. Current Alabama law allows vaccine every three years.
6. And the risks of being infected? Any activity that brings someone in contact with possible rabid animals, such as traveling in an area where rabies is more common (Africa and Southeast Asia) as well as outdoor activities near bats and other possible rabid animals, all increase one's risk of getting infected with rabies.¹
7. Precautions? Any animal bitten or scratched by either a wild, carnivorous mammal or a bat that is not available for testing should be regarded as having been exposed to rabies.
8.Other protocols to be aware of: Unvaccinated dogs, cats, and ferrets exposed to a rabid animal should be euthanized immediately. If the owner is unwilling to have this done, the animal should be placed in strict isolation for 6 months and vaccinated 1 month before being released. (Do you have any idea what the cost of boarding a dog for six months would cost?)
9. Animals with expired vaccinations need to be evaluated on a case-by-case basis. Dogs and cats that are currently vaccinated are kept under observation for 45 days.
10. Good news? Small mammals such as squirrels, rats, mice, hamsters, guinea pigs, gerbils, chipmunks, rabbits, and hares are almost never found to be infected with rabies and have not been known to cause rabies among humans in the United States. Bites by these animals are usually not considered a risk of rabies unless the animal was sick or behaving in any unusual manner and rabies is widespread in your area.
11. However, from 1985 through 1994, woodchucks accounted for 86% of the 368 cases of rabies among rodents reported to CDC. Woodchucks or groundhogs (Marmota monax) are the only rodents that may be frequently submitted to state health department because of a suspicion of rabies. In all cases involving rodents, the state or local health department should be consulted before a decision is made to initiate post-exposure prophylaxis (PEP).
12. Each state collects specific information about rabies, and is the best source for information on rabies in your area. In addition, the CDC publishes rabies surveillance data every year for the United States. The report, entitled Rabies Surveillance in the United States, contains information about the number of cases of rabies reported to CDC during the year, the animals reported rabid, maps showing where cases were reported for wild and domestic animals, and distribution maps showing outbreaks of rabies associated with specific animals.
13. Did you know? Although the majority of rabies cases occur in wildlife, most humans are given rabies vaccine as a result of exposure to domestic animals. This explains the tremendous cost of rabies prevention in domestic animals in the United States. (Any guesses how painful thse vaccine shots are or how many are given or how much they cost?)
14. A reasonable question at this point would be: If most reported rabies occur in wildlife, why would the laws be so detailed about giving our dogs rabies shots?
The answer is........... : Domestic animals are more likely to come in contact with rabid wildlife. Our pets and other domestic animals can be infected when they are bitten by rabid wild animals. When "spillover" rabies occurs in domestic animals, the risk to humans is increased. Pets are vaccinated by your veterinarian to prevent them from acquiring the disease from wildlife, and thereby transmitting it to humans.²
15 What Are the General Symptoms of Rabies? Initially, a dog who’s become infected may show extreme behavioral changes such as restlessness or apprehension, both and become aggressive. Friendly dogs may become irritable, while normally excitable animals may become more docile. A dog may bite or snap at any form of stimulus, attacking other animals, humans and even inanimate objects. They may constantly lick, bite and chew at the site where they were bitten. A fever may also be present at this stage. As the virus progresses, an infected dog may become hypersensitive to touch, light and sound. They may eat unusual things and hide in dark places. Paralysis of the throat and jaw muscles may follow, resulting in the well-known symptom of foaming at the mouth. Disorientation, in-coordination and staggering may occur, caused by paralysis of the hind legs. Other classic signs of rabies include loss of appetite, weakness, seizures and sudden death.
16. Time before symptoms show up? The virus usually incubates from two to eight weeks before signs are noticed. However, transmission of the virus through saliva can happen as early as ten days before symptoms appear.17. More bad news? There is no accurate test to diagnose rabies in live animals. The direct fluorescent antibody test is the most accurate test for diagnosis--but because it requires brain tissue, it can only be performed after the death of the animal.³
18. In order to prove the pet was vaccinated against rabies, many areas require the pet to wear a rabies tag on his collar and for the owner to maintain a rabies certificate. Rabies vaccine is to be given according to the vaccine manufacturers recommendation, either subcutaneously or in a muscle. The vaccine should be delivered by a veterinarian or under the direct supervision of a veterinarian.
19. The purpose of the rabies vaccination is to help your pet fight off a rabies infection if he should be exposed to the virus. The vaccine is not a cure for rabies and pets vaccinated against rabies can still become infected with the virus. After initial vaccination, it takes about one month before the peak levels of rabies antibodies is reached and the pet is considered immunized for rabies.
20. If you adopt an adult dog without an accurate vaccination history, initial rabies vaccine should be administered with a follow up vaccine one year later. After that, local laws regarding frequency of vaccination apply
We suggest you read this article on reactions to vaccines before your pets next Rabies Shot!
Note: this is an expanded version of an article by Jan Rasmusen previously published by DogsNaturallyMagazine.com
http://www.dogs4dogs.com/blog/2010/09/23/rabies-vaccination-12-ways-to-vaccinate-more-safely/
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¹MedicineNet
²cdc.gov
³webmd.com