Rabies

Symptoms, diagnosis, treatment and prevention of rabies.

Overview

Rabies is a zoonotic disease (diseases spread from animals to people) caused by a virus. Rabies is found worldwide, and there are many animal hosts. Certain wildlife species can carry specific strains (for example, bats, raccoons, skunks and foxes). Rabies affects the central nervous system. Rabid animals have abnormal behaviour, can appear unusually tame or aggressive and have difficulty walking. 

Rabies is fatal, though vaccines are available to treat rabies before symptoms appear. Rabies in people is very rare in Canada. 

Rabies is diagnosed by symptoms, history of exposure and laboratory testing.

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    2024-08-08

    Rabies

    Symptoms, diagnosis, treatment and prevention of rabies.

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Symptoms

Symptoms usually appear one to three months after infection, but this varies. Early symptoms include headache, fever, lethargy and sometimes discomfort at the site of bite or exposure. Within days, the disease progresses to paralysis, convulsions, delirium and death. 

How it spreads

Rabies is most often spread by bites from infected animals. The saliva from a rabid animal contains the virus. Occasionally, non-bite transmission of rabies can occur if saliva or nerve tissue (brain and spinal cord) from an infected animal contacts broken skin (open wounds) or mucous membranes (skin found in the eyes, nose and mouth). 

Risk factors

People bitten by infected animals, including bats, raccoons, skunks and foxes, are at risk. In areas of the world with canine rabies, people bitten by rabid dogs have a high risk of contracting the disease. 

Treatment

Rabies is fatal once clinical signs appear. Prompt treatment is extremely effective in preventing the disease after exposure to a rabid animal. Rabies treatment includes wound care, administration of rabies immune globulin and a series of rabies vaccines. 

Health-care providers and laboratories must report cases of rabies to Public Health. Public Health staff may interview the health-care provider and patient (or caregivers) to find out how the infection occurred, identify other people at risk of infection, implement control measures and provide other advice. 

Prevention

Be a responsible pet owner. Vaccinate your pet against rabies.

Enjoy wildlife from a distance. Do not feed or handle wild animals. 

Prevent dog and cat bites. Do not pet unfamiliar dogs or cats.

Go to the hospital if you are bitten. Wash wounds with soap and water for at least 10 minutes following a bite or other potential exposure to rabies. Seek medical attention immediately. 

For additional information, contact your health-care provider, local Public Health office or Tele-Care 811.