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The yellow fever virus is a disease carried by mosquitoes and can be deadly if not treated. Luckily, there is a vaccine that can protect you from getting sick.
The yellow fever vaccine works by teaching your body how to fight the virus. It contains a small piece of the virus that has been weakened so it cannot make you sick. When you get the vaccine, your body recognizes the piece of the virus and makes antibodies to fight it off. Your body remembers how to make these antibodies so if you ever come into contact with the real virus, your body will know how to fight it off quickly, keeping you from getting sick.
The vaccine is very effective. In fact, it is one of the most effective vaccines we have! After a single dose, about 9 out of 10 people will be protected from getting sick. The vaccine can last for 10 years or longer, so many people only need to get it once in their lifetime. If you are traveling to a place where yellow fever is common or if you work in a job that puts you at risk of getting the virus, it’s important to get the vaccine to protect yourself.
Some people may have side effects after getting the vaccine. The most common side effects are mild and include a sore arm, fever, or headache. These side effects usually go away after a few days. In very rare cases, someone may have a serious allergic reaction to the vaccine, but this is extremely rare.
Remember, the yellow fever vaccine is very important for protecting yourself from a deadly disease. Talk to your doctor if you have any questions or concerns about getting it.
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