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Animal Rabies Animal rabies is a reportable disease in Oklahoma. Rabies is a disease caused by the rabies virus. The rabies virus can affect the central nervous system of all warm-blooded mammals. Human rabies is very rare in the United States, but animal rabies, particularly in some wild animal species, is not uncommon. Rabies infections are almost always fatal once symptoms of the disease have begun. Rabies virus in found only in the brain, spinal cord, and saliva of infected animals. Transmission of the rabies virus can occur if any of these fluids or tissues from an infected animal is introduced through a bite, fresh opening of the skin that has not scabbed over, or mucous membrane (eyes, lining of the nose, or mouth). The following are not exposures to rabies: contact with blood, contact with urine or feces, contact with dried saliva, petting, or otherwise touching the hair of a rabid animal, and touching bowls, lead ropes, gates, trailers, or other surfaces the rabid animal contacted. Individuals should take several steps following an animal bite. Wash all bite wounds immediately with soap and water, and continue washing for at least ten minutes. Contact your health care provider as soon as possible. Animal bite wounds contain bacteria, so a tetanus booster and/or antibiotics may be needed. If a rodent or rabbit caused the bite, no further action is usually needed. If the biting animal was a dog, cat, or ferret (not owned by the bite victim and not currently vaccinated by a licensed veterinarian), the animal should be quarantined with a licensed veterinarian for ten days. Dogs, cats, and ferrets (not owned by the bite victim and currently vaccinated by a licensed veterinarian) may be allowed to be quarantined by the animal owner. If the dog, cat, or ferret remains healthy after ten days, it was not infectious with rabies at the time the bite occurred and no further action is needed. If another species of animal caused the bite, the local county health department sanitarian should be contacted. Animals other than dogs, cats, or ferrets may need to be quarantined for 30 days under the care of a veterinarian, or euthanized and tested for rabies. Persons bitten by an animal with a positive test for rabies should always receive the rabies shots, also called post exposure prophylaxis (PEP). PEP generally consists of five doses of human rabies vaccine given in the arm muscle (or thigh for small children) and rabies immune globulin (RIG), which is given at the same time as the first vaccine dose. Although non-bite exposures rarely result in the transmission of rabies, PEP may be recommended in some circumstances. The Acute Disease Service Epidemiologist-on-Call may be consulted for recommendations based upon each individual case. Rabies shots are NOT recommended when the biting animal is in quarantine or available for testing. Some animals are more likely to be infected with rabies than others. Bats, raccoons, skunks, foxes, and coyotes, have strains of rabies virus adapted to their species. The rabies viruses in Oklahoma include the ones adapted to skunk and bats. All warm-blooded mammals including dogs, cats, horses, and cattle can become infected with rabies virus. Rodents (squirrels, hamsters, mice, rats, etc.), rabbits, and hares are very rarely infected and have never been known to cause rabies in humans in the United States. Birds, reptiles (snakes, turtles), and amphibians (frogs, toads) do not get rabies. Skunks are the major animal reservoir of rabies in the state. When the skunk population increases (every six to eight years), a rise in the number of animal rabies cases usually follows. This population cycle can sometimes result in as many as 240 cases of animal rabies in one year. A few cases of rabies are usually identified each year in bats, horses, cattle, cats, and dogs as well. The time interval between the exposure to the rabies virus and onset of the first symptoms may vary greatly and depends on several factors. These factors include the amount of virus entering the body, the place on the body the exposure occurred, the age of the animal, and several other host factors. For cats, dogs, and horses, this time interval is generally between three to eight weeks compared to four to twelve weeks in humans. However, symptoms may start as early as nine days or as long as six months after exposure to the rabies virus. Most rabid animals will behave abnormally, but signs and symptoms vary. Rabid wild animals will often lose their fear of human and nocturnal animals may be seen active during the day. Rabid animals may stagger, or act lame or paralyzed. If an animal is displaying unusual behavior, or has symptoms suggestive of rabies, the only way to know whether it is rabid or not is to have the brain tested for rabies at the State Public Health Laboratory – the only laboratory in Oklahoma that performs animal rabies testing. There is no reliable test for rabies in a live animal. In order to test an animal for rabies, brain tissue must be intact. It is important to remember:
How can rabies be prevented?
Rabies Fact Sheets and Information: External Rabies Resources:
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State of Oklahoma
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