Yellow fever vaccines are used to prevent yellow fever, a serious viral infection. They're essential for travelers to certain countries. These vaccines work by stimulating your immune system to produce antibodies (infection-fighting proteins) against the yellow fever virus. The two main yellow fever vaccines available are YF-Vax and Stamaril, both of which are injectable. By getting vaccinated, you can protect yourself from this potentially deadly disease, especially if you are traveling to areas where yellow fever is common.
