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*Enviro-Alert*
Rabies On The Rise In North Carolina

An unpleasant trend of increasing numbers of rabies cases is being reported in central North Carolina. The numbers for the last few years have increased about 100% per year, and are showing no signs of slowing down. In 1996, the state lab confirmed 736 cases of rabies. Most of these cases are occurring in and around heavily populated areas and in the prime outdoor recreation areas for the many folks who live in the Triangle (Raleigh, Durham, Chapel Hill) and Piedmont Triad (Winston-Salem, Greensboro, High Point) areas. Recent cases have included a rabid raccoon that wandered into a Chapel Hill bar and died, and a rabid beaver that apparently attacked two men in a boat in Lake Jordan. While raccoons are very susceptible to rabies, this is the first known case of a beaver with rabies since the state began keeping records.

With the rapid growth of the population in both the Triangle and the Triad, housing developments have replaced wildlife habitat very quickly, leaving many animals trapped in green islands within populated areas. These animals have very few predators, except domestic pets which puts them at risk of rabies infection as well. Animals that are highly susceptible to rabies include raccoons (the number one carrier in North Carolina), bats, foxes, skunks and cattle. Dogs, cats, horses, sheep, and primates, including humans have an intermediate susceptibility to the disease. While wild animals are the primary carriers, domestic pets are responsible for most human cases.

The disease is spread when infected saliva makes contact with nerve endings, usually through bite wounds, but any contact with saliva can be potentially infectious. Incubation time can vary from 2 to 3 weeks to up to a year, or even be as quick as one week. The disease causes brain and nerve damage and is fatal after onset.

Chatham County Animal Control has released a report entitled "Rabies: It's Here!" It details the stages of rabies as follows;

  1. Prodromal Stage; This is seen as a change in behavior. Wild animals will lose their fear of humans and may be seen during daylight in unusual places. If a wild bat, skunk, raccoon or fox (or beaver) approaches you, leave the area immediately and report the incident to animal control. Infected pets will show a change in personality, becoming unusually fearful or alert or hiding more than usual. This stage last one to three days.
  2. Excitative Stage; Animals in this stage are hyper-reactive to external stimulation such as noise and movement, and may attempt to bite anything close by. They may snap at imaginary objects. Some animals may not go through this stage. If they do it usually lasts three to four days.
  3. Paralytic Stage; This stage is a result of nerve damage caused by the virus. Animals become uncoordinated: paralysis of the muscles controlling the mouth make swallowing difficult or impossible, so the animal may drool excessively and appear to "foam at the mouth".

Rabies cannot be cured, but it can be prevented, even shortly after contact with a rabid animal. There is no test that can be performed on a living animal to determine if it is rabid. The only reliable test comes from an examination of the animals brain tissue. People who suspect exposure to rabies have to undergo a series of six or more shots over a four week period. The best defense is to vaccinate your pets and farm animals as prescribed by your veterinarian. People in high exposure situations (veterinarians, wildlife workers and animal control) can receive rabies pre-exposure treatments to prevent onset of the disease. There is no vaccine available for wild animals. Once the virus gets established in an animal, it will die.

Wild animals suspected of being rabid are captured, euthanized and immediately tested. Pets are usually confined and observed for signs of the disease.

Follow these guidelines to protect yourself, your family and your pets;


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