Logan Reed
Rabies is a fatal virus that infects the brain and nervous system. It is transmitted by a bite, scratch, or lick from an infected animal. The rabies vaccine is unique in that it is typically administered after exposure to the virus, unlike preventive vaccines that are administered before potential infection. The number of doses required depends on whether the patient has been previously vaccinated and the type of exposure. For those who have been exposed but were previously vaccinated, two shots are given in the shoulder muscle for adults and the thigh muscle for children. For those who have been exposed and were not previously vaccinated, four doses are required over two weeks, along with an injection of rabies immunoglobulin. In some cases, a booster dose may be recommended within three years after the first two doses.
| Characteristics | Values |
|---|---|
| When to get vaccinated | After exposure to the virus, unlike preventive vaccines that you get before potentially contracting a condition |
| Number of doses | 4 doses for unvaccinated adults; 2 doses for those previously vaccinated |
| Time between doses | 3 days, 7 days, and 14 days |
| Where the vaccine is administered | In the shoulder muscle |
| Side effects | Soreness, redness, swelling, itching at the site of injection, headache, nausea, abdominal pain, muscle aches, dizziness |
| When to get medical attention | If you experience any side effects; if you have been bitten or scratched by a wild animal or unvaccinated pet |
| When vaccination is not required | If the animal is observed for 10 days and shows no signs of rabies |
| Pre-exposure prophylaxis | Recommended for people who work with animals that could have rabies, people who travel to parts of the world where rabies is common and medical care is limited, and people who live in or travel to regions where rabies in dogs is common |
| Post-exposure prophylaxis | Wound treatment, administration of rabies vaccines and, if indicated, rabies immunoglobulin |
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What You'll Learn
- Rabies is a fatal disease that infects the nervous system
- Vaccination is recommended for those at risk of exposure
- Pre-exposure vaccination is available for those who work with animals
- Post-exposure vaccination is required after a bite from a potentially rabid animal
- The number of doses depends on vaccination history and type of exposure
Rabies is a fatal disease that infects the nervous system
Rabies is a fatal and serious disease that infects the nervous system. It is a viral, zoonotic, neglected tropical disease that causes tens of thousands of deaths annually, with 40% of those being children under 15. The virus moves slowly from an infected wound to the brain over time, causing nerve damage as it travels. The incubation period, during which the virus is in the body but has not yet entered the nervous system, can last from days to years. Once the virus infects the central nervous system, rabies is nearly always fatal.
Rabies is transmitted through direct contact with the saliva or neural tissue of an infected animal, usually through bites or scratches. In up to 99% of human rabies cases, dogs are responsible for virus transmission. Wild animals such as raccoons, skunks, foxes, and bats may also carry rabies, as can unvaccinated companion animals such as cats and dogs.
The first symptoms of rabies may be flu-like, including weakness or discomfort, fever, headache, and discomfort, prickling, or an itching sensation at the bite site. As the virus progresses into the nervous system, symptoms include delirium, abnormal behaviour, hallucinations, hydrophobia (fear of water), insomnia, seizures, paralysis, and anxiety. Eventually, rabies leads to coma and death.
Rabies is preventable with prompt post-exposure prophylaxis (PEP), which includes thorough wound washing, administration of rabies immunoglobulin (RIG), and a series of rabies vaccines. If you have been exposed to rabies, you should get vaccinated regardless of concurrent illnesses, pregnancy, breastfeeding, or weakened immune system.
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Vaccination is recommended for those at risk of exposure
Rabies is a serious illness that almost always results in death. The virus infects the central nervous system, causing neurological symptoms. Symptoms may occur from days to years after exposure to the virus, but the incubation period is typically 2-3 months. The first symptoms of rabies may be similar to the flu, including weakness or discomfort, fever, or headache. As the virus progresses, more severe symptoms such as disorientation, hallucinations, unusual behavior, hyperactivity, and difficulty swallowing may occur. The final stage of rabies includes paralysis, coma, and ultimately, death.
Given the severity of rabies, vaccination is strongly recommended for those at risk of exposure. Certain people with a higher risk of rabies exposure include those who work with potentially infected animals or participate in certain outdoor activities that may lead to contact with wildlife, such as spelunking, camping, or hunting. People with jobs that involve frequent animal contact, such as veterinary professionals, wildlife management workers, and public health professionals, are also at increased risk.
If you fall into one of these high-risk categories, it is advised to receive two doses of the rabies vaccine on days 0 and 7. Depending on your level of risk, you may be advised to have one or more blood tests or receive a booster dose within 3 years after the initial two doses. It is important to consult with your healthcare provider to determine the appropriate vaccination schedule and any necessary precautions.
Additionally, it is crucial to be vigilant and take immediate action if exposed to a potentially rabid animal. If bitten or scratched by an animal, it is essential to wash the wound thoroughly with soap and water and seek medical attention as soon as possible. The wound site should be promptly irrigated with water or a povidone-iodine solution to reduce the risk of rabies and other bacterial infections.
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Pre-exposure vaccination is available for those who work with animals
Rabies is a preventable viral disease that usually infects mammals and is transmitted through the bite of an infected animal. The virus infects the central nervous system and is nearly always fatal. Symptoms may occur from days to years after exposure to the virus and include delirium, abnormal behaviour, hallucinations, hydrophobia, and insomnia, which precede coma and death.
Pre-exposure prophylaxis (PrEP) vaccination is recommended for people who work directly with animals that could have rabies. This includes veterinary professionals, veterinary technicians, and assistants, as well as those who handle bats, enter high-density bat environments, or perform animal necropsies. Pre-exposure vaccination can provide protection in case of delayed or unrecognized rabies exposure. It can also reduce the number of post-exposure vaccine doses needed and eliminate the need for post-exposure rabies immunoglobulin administration.
The Advisory Committee on Immunization Practices (ACIP) has developed recommendations for rabies vaccine use, including a two-dose PrEP schedule that offers protection for up to three years. The vaccination can be performed with either the human diploid cell vaccine or the purified chick embryo cell vaccine, administered intramuscularly in the deltoid area of the arm. It is important to note that PrEP does not replace good preventive practices, such as the appropriate use of personal protective equipment when handling animals.
If you are at risk of rabies exposure through your work, it is important to speak to your employer about getting vaccinated. In some cases, the rabies vaccine may be available for free, especially if you are engaged in voluntary work that involves handling wild bats. It is recommended to seek medical advice at least eight weeks before potential exposure to ensure adequate protection.
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Post-exposure vaccination is required after a bite from a potentially rabid animal
Rabies is a serious illness that almost always results in death. The virus infects the central nervous system and is transmitted by a bite from a rabid animal. Therefore, if you or a family member is bitten by a potentially rabid animal, it is imperative to seek immediate medical attention.
The rabies vaccine series for unvaccinated individuals consists of four doses. The first shot is given immediately after exposure, followed by additional shots on days 3, 7, and 14. It is crucial to adhere to the recommended schedule as closely as possible. However, in cases where a dose is missed, it is recommended to administer the missed dose as soon as possible and adjust the subsequent doses accordingly. For example, if a patient misses the dose scheduled for day 7 and presents for vaccination on day 10, the day 7 dose should still be administered on day 10, and the final dose should be given one week later on day 17.
For individuals who have been previously vaccinated against rabies, the post-exposure vaccination regimen is slightly different. In these cases, only two vaccine boosters are required, given on days 0 and 3. It is important to note that individuals who have received pre-exposure rabies vaccination may still need to receive post-exposure vaccination after a potential exposure to the virus. This is because the protection provided by the vaccine may wane over time, and a booster dose is necessary to ensure ongoing protection.
In addition to vaccination, it is crucial to practice good wound care after a bite from a potentially rabid animal. The wound should be thoroughly cleaned with soap and water to reduce the risk of infection. If possible, the wound should also be washed immediately after the bite occurs to remove as much of the virus as possible. Seeking medical attention as soon as possible is crucial, as rabies can be prevented if the vaccine is administered before symptoms begin.
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The number of doses depends on vaccination history and type of exposure
Rabies is a serious illness that almost always results in death. The rabies virus infects the central nervous system. Symptoms may occur from days to years after exposure to the virus. These symptoms include delirium (confusion), abnormal behaviour, hallucinations, hydrophobia (fear of water), and insomnia (difficulty sleeping), which precede coma and death.
The rabies vaccine can prevent rabies if given to a person after exposure. The number of doses depends on vaccination history and the type of exposure. If you have not been vaccinated against rabies in the past, you need four doses of the rabies vaccine over two weeks (given on days 0, 3, 7, and 14). You should also get another medication called rabies immunoglobulin on the day you receive the first dose of the rabies vaccine or soon afterward. For adults, the shot is given in the shoulder muscle, whereas for children, it is given in the thigh.
If you have received the rabies vaccination in the past, you typically need only two doses of the rabies vaccine after exposure. The first shot should be given immediately after exposure, and the second shot should be given three days later. These people do not need to get rabies immunoglobulin.
People with a higher risk of rabies exposure, such as those who work with potentially infected animals, are recommended to receive the vaccine to help prevent rabies if exposure happens. If you are at higher risk, you should receive two doses of the rabies vaccine given on days 0 and 7. Depending on your level of risk, you may be advised to have one or more blood tests or receive a booster dose within three years after the first two doses.
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Frequently asked questions
The rabies vaccine is not routinely given as part of the NHS vaccination schedule. It is recommended for people at higher risk of rabies from travel or through their work. This includes people travelling to parts of the world where rabies is common, especially if it may be hard to get quick medical help. It also includes people who handle wild bats or regularly handle wild animals through their work.
If you have never been vaccinated against rabies before, you will need four doses of the rabies vaccine over two weeks (given on days 0, 3, 7, and 14). If you have been vaccinated before, you will only need two doses of the vaccine after exposure. If you are immunocompromised, you may need a fifth dose on day 28.
Soreness, redness, swelling, or itching at the site of the injection, and headache, nausea, abdominal pain, muscle aches, or dizziness can happen after the rabies vaccine. Hives, joint pain, or fever sometimes happen after booster doses. As with any medicine, there is a very remote chance of a severe allergic reaction.
Around 95% of people who have three doses of the rabies vaccine will have some protection from rabies. However, the rabies vaccine does not fully protect everyone from rabies.
If you are travelling to a place where rabies is a risk, a booster is recommended if it has been more than a year since your first vaccination. If you are at risk of rabies through your work, you may need a booster every year, followed by regular boosters every few years.
