Filter Glossary

Rabies

  • Overview

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    Rabies is a lethal virus that is transmitted to humans through the saliva of infected animals, primarily through bites. The virus is known to be exceptionally fatal once symptoms appear.

    In the United States, several animals are more prone to transmitting rabies, with bats, coyotes, foxes, raccoons, and skunks being the primary culprits. In contrast, in developing nations, stray dogs are the principal carriers of rabies, posing a significant risk of transmission to humans.

    The progression of rabies symptoms is relentless, almost always leading to a fatal outcome once they become apparent. Due to the severity of the disease, individuals who could be exposed to rabies, whether through animal bites or potential exposure, are strongly advised to undergo rabies vaccinations. These vaccinations offer vital protection against the virus and are a crucial preventive measure to ensure public health and safety.

  • Symptoms

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    Initial symptoms of rabies can often mimic those of the flu and might persist for several days.

    Subsequent indications and symptoms could encompass:

    • Fever
    • Headache
    • Nausea
    • Vomiting
    • Agitation
    • Anxiety
    • Confusion
    • Hyperactivity
    • Difficulty in swallowing
    • Excessive salivation
    • Apprehension caused by challenges in consuming fluids due to trouble swallowing
    • Fear triggered by air contact with the face
    • Hallucinations
    • Insomnia
    • Partial paralysis

     

    It is crucial to recognize these symptoms as potential signs of rabies and seek immediate medical attention if they occur, as rabies is a rapidly progressing and deadly disease.

  • When to see a doctor

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    Abnormal symptoms may be a warning sign of potential dangerous diseases. Please contact our team of doctors immediately for detailed advice and update the most accurate and appropriate health care method.

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  • Causes

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    The rabies virus is responsible for causing a rabies infection, primarily disseminating through the saliva of animals infected with the virus. Transmission of the virus typically occurs through bites inflicted by infected animals onto other animals or humans.

    In unusual instances, rabies can also be transmitted when infected saliva comes into contact with an open wound or mucous membranes, such as the mouth or eyes. This scenario might arise if an infected animal were to lick an open cut on an individual’s skin.

    Various animals have the potential to carry and transmit the rabies virus. Among these, the following are more likely to be sources of rabies transmission to humans: Domestic and farm animals:

    • Cats
    • Cows
    • Dogs
    • Ferrets
    • Goats
    • Horses

    Wild animals:

    • Bats
    • Beavers
    • Coyotes
    • Foxes
    • Monkeys
    • Raccoons
    • Skunks
    • Woodchucks

    In exceedingly rare instances, there have been documented cases of the virus being transmitted to recipients of tissue and organ transplants from an organ that was infected with the rabies virus. This emphasizes the importance of cautious screening and handling of donor organs to prevent such occurrences.

  • Risk factors

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    Factors that can elevate your risk of rabies include:

    1. Traveling or Living in Developing Countries: Rabies is more prevalent in developing countries. Being in regions where rabies is common increases your risk of exposure.
    2. Engaging in Wildlife-Related Activities: Activities that involve contact with wild animals, particularly those that could carry the rabies virus, such as exploring caves inhabited by bats or camping without taking precautions to deter wildlife, can heighten the risk of exposure.
    3. Veterinary Work: Professionals in veterinary fields, due to their proximity to animals, may be at an increased risk of rabies exposure.
    4. Laboratory Work: Individuals working in laboratories that handle the rabies virus directly are at a heightened risk of exposure.
    5. Head or Neck Wounds: Wounds in the head or neck area could facilitate the rabies virus’ rapid access to the brain, potentially increasing the severity of infection.

    It’s essential to take precautionary measures when engaging in activities that could expose you to rabies, such as seeking pre-exposure rabies vaccinations if you work in high-risk professions or areas. If you sustain a wound in an area where rabies transmission risk is higher, promptly cleaning the wound and seeking medical attention is crucial to mitigate the risk of infection.

  • Prevention

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    To minimize the risk of encountering rabid animals, follow these guidelines:

    • Vaccinate Your Pets: Ensure your cats, dogs, and ferrets receive regular rabies vaccinations. Consult your veterinarian for recommended vaccination schedules.
    • Secure Your Pets: Keep your pets indoors and under supervision when outside. This precaution helps prevent their contact with wild animals.
    • Protect Small Pets: Safeguard small pets like rabbits and guinea pigs by keeping them indoors or within protected enclosures. Since these animals cannot be vaccinated against rabies, extra care is essential.
    • Report Strays: Promptly notify local authorities, such as animal control or law enforcement, about stray cats and dogs.
    • Avoid Wild Animals: Refrain from approaching wild animals, especially those displaying an unusual lack of fear towards humans. Maintain a safe distance from any wild animal that behaves abnormally.
    • Bat-proof Your Home: Seal openings and gaps that may allow bats to enter your residence. Seek assistance from local experts if you suspect bats have accessed your home.
    • Consider Rabies Vaccine for Travel: If your plans involve extended stays in countries with prevalent rabies cases, consult your doctor regarding the rabies vaccine. This advice extends to remote regions where access to medical care might be limited.
    • Occupational Precautions: Individuals working as veterinarians or in laboratories handling the rabies virus should strongly consider receiving the rabies vaccine to protect against potential exposure.

    Taking these preventive measures significantly reduces your risk of encountering rabies and promotes your safety and that of your pets.

  • *Please note that the information provided in the article is for reference purposes only. It is essential to consult a doctor before applying any of the suggestions mentioned.

Content Details

Medical info from Mayo Clinic, for reference only. Visit Hoan My for better advice.

Last updated on: 06/08/2023