Yellow fever is a virus that is transmitted to humans through mosquito bites.

Risk factors for getting yellow fever include traveling to an area where yellow fever is present.

Symptoms for yellow fever include:

  • High fever
  • Chills and muscle aches
  • Yellowing of the skin, known as jaundice
  • Vomiting
  • Headache
  • Backache

More serious complications include:

Treatment involves taking care of the infected person while they recover. There is no medicine to treat the illness.

Illness from yellow fever varies from a self-limited illness to hemorrhagic fever, which can be very severe and lead to death.

The vaccine is a weakened, live form of the yellow fever virus. The vaccine is created by growing the live virus in a lab. The vaccine is administered by a shot.