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Where does yellow fever occur in the world?

Where does yellow fever occur in the world?

The yellow fever virus is found in tropical and subtropical areas of Africa and South America. The virus is spread to people by the bite of an infected mosquito. Yellow fever is a very rare cause of illness in U.S. travelers.

Where is yellow fever most common?

Most cases of yellow fever occur in sub-Saharan Africa and tropical South America. Humans and monkeys are most commonly infected with the yellow fever virus.

What countries were affected by yellow fever?

Areas with Risk of Yellow Fever Virus Transmission in Africa

  • Angola.
  • Benin.
  • Burundi.
  • Cameroon.
  • Central African Republic.
  • Chad2
  • Congo, Republic of the.
  • Côte d’Ivoire.

What area of the world has the highest annual incidence of yellow fever illness?

Yellow fever virus is estimated to cause 200,000 cases of disease and 30,000 deaths each year, with 90% occurring in Africa. 20% to 50% of infected persons who develop severe disease die.

Is there a test for yellow fever?

Laboratory diagnosis of yellow fever is generally accomplished by testing of serum to detect virus-specific IgM and neutralizing antibodies. Sometimes the virus can be found in blood samples taken early in the illness.

What is the definition of yellow fever?

Listen to pronunciation. (YEH-loh FEE-ver) A disease caused by infection with the yellow fever virus, which is carried by mosquitos. Symptoms include body aches, chills, fever, severe headache, weakness, and a yellow skin color.

Why is yellow fever vaccine given?

A single dose provides lifelong protection for most people. The vaccine is a live, weakened form of the virus given as a single shot. Vaccine is recommended for people aged 9 months or older and who are traveling to or living in areas at risk for yellow fever virus in Africa and South America.

Who Cannot take yellow fever vaccine?

Who should not get yellow fever vaccine? Infants younger than 6 months of age should not get the vaccine. In addition, anyone with a severe allergy to any part of the vaccine, including eggs, chicken proteins, or gelatin should not get the vaccine.

Does yellow fever vaccine have side effects?

Reactions to yellow fever vaccine are generally mild and include headaches, muscle aches, and low-grade fevers. Rarely, people develop severe, sometimes life-threatening reactions to the yellow fever vaccine, including: Allergic reaction, including difficulty breathing or swallowing (anaphylaxis)