Dog infected with rabies.
**Rabies** is a viral disease that can spread to humans by animals. It infects the nerves and causes sudden encephalitis (swelling/pain of the brain).

The disease is almost always fatal (people and animals die from it) when the symptoms start. There is no treatment and cure for it when the symptoms occur. However, people (and pets) who are treated with vaccines soon after becoming infected have a very good chance to survive.

The disease is transmitted through the saliva and the blood. The usual form of getting it is a bite of a rabid mammal. Pets, like dogs need to be vaccinated against it, in most countries.

Spread of rabies
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About 99% of human rabies cases come from dogs. In the Americas, it is more common to get rabies from bats. People rarely get rabies from other wild mammals. Rodents do not spread rabies to people. Livestock (farm animals) can get rabies, and sometimes spread it to people.

Tens of thousands of people die from rabies every year. About 95% of these deaths are in Asia and Africa. Some regions have no rabies or almost no rabies, such as Western Europe, Canada, the United States, Australia, and Japan. The rates of rabies cases went down from 1990 to 2020. In 2018, the World Health Organization made a plan to end human rabies deaths by 2030.

Most of the time, rabies comes from an animal bite or deep scratch. People can also get it if an animal licks their eyes, mouth, or an open wound. No known person has ever been infected directly by another person. A few people have been infected by organ transplants.

When an animal that may have rabies bites a person, a few things can be done. First, the animal may be killed and tested for rabies. Second, the animal may be kept alive and watched. If it does not show signs in the next few days, the person is probably safe. If it does show signs, it will be killed and tested. If the animal had rabies, the person should be treated as soon as possible.

Signs and symptoms
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Man with rabies showing fear of water
At first, a person with rabies will have no signs or symptoms. They may start from one week to one year after a bite. The amount of virus and place of the bite can affect this.

The first symptoms are fever, pain, and feelings of tingling, prickling, or burning at the wound. After that, two kinds of rabies can form.

* *Furious rabies* causes excited behavior, hallucinations, poor coordination, seizures, a fear of water, and a fear of blowing air. Furious rabies causes death in 5-7 days.
* *Paralytic rabies* makes people unable to move their muscles. This is called paralysis. It later causes a coma, and death in two weeks or less.

It is not possible to know if an animal has rabies by looking at it. Some rabid animals act aggressive: they will attack or threaten for no reason. Others may act very tame: they allow people to get near to them. Some may drool or "foam at the mouth". In later stages, they may have trouble moving, because of paralysis. If an animal has strange behavior, people should be very careful when coming near it.

Fear of water is the most distinctive sign of rabies. People may panic when they see water, and have sudden muscle contractions in their throat.

Treatment
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There is no cure for rabies. There is a vaccine (medicine to try to prevent rabies) against it. The vaccine was first developed by Louis Pasteur and Pierre Paul Émile Roux in 1885. This vaccine used a live virus grown in rabbits, and weakened (through drying it). The first person to be vaccinated was Joseph Meister (a 9-year-old boy who had been bitten by a dog). Vaccines similar to this are still used today, but other vaccines (growing the virus using cell cultures) are more used. Some vaccines are made with bird embryos.

There is also a form of treatment that can be done once a person has been bitten. It needs to be done within 6 days of being bitten. There is no way to know whether someone is infected, until it's too late. Treatment starts with washing the wound. This is done to reduce the number of virus particles that enter the body. Often patients are given one dose of immunoglobulin and a certain number of vaccines, over a determined period of time, usually a month. After the signs and symptoms of rabies appear, less than 20 people have survived. Only one person world-wide has survived rabies without vaccine treatment.

Prevention
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To prevent (stop) rabies, animals should get vaccines. It is most important to vaccinate dogs and cats. Children should learn how to be safe around animals. Wild animals should be prevented from biting pets and livestock. To stop rabies outbreaks, some countries quarantine animals that enter the country.

Other websites
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The Simple English Wiktionary has a definition for:

 ***rabies***.

* History of Rabies in Los Angeles
* Rabies Information Archived 2008-02-28 at the Wayback Machine
* Rabies - A Comprehensive Guide Archived 2018-08-05 at the Wayback Machine
* Centers for Disease Control and Prevention
* World Health Organization factsheet on Rabies
* World Health Organization factsheet on Rabies vaccine
* Rules for importing pets to the United Kingdom Archived 2005-02-07 at the Wayback Machine
* A Rabies-Free World, Inc. Archived 2005-12-19 at the Wayback Machine - NPO dedicated to fighting rabies worldwide
* Rules for importing pets to the European Union Archived 2007-10-10 at the Wayback Machine
* Rules for importing pets to the European Union Q&A Archived 2007-07-02 at the Wayback Machine
* Aspen Skunk Rabies Research Archived 2006-03-13 at the Wayback Machine
* "When Raccoons Attack" from Field & Stream Online Archived 2006-11-07 at the Wayback Machine
* "Only Known Unvaccinated Rabies Survivor Thrives" *(USA Today)* Progress report on the first known survivor of rabies

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