Is yellow fever still a serious health risk today?
Yellow fever is a very rare cause of illness in U.S. travelers. Illness ranges from a fever with aches and pains to severe liver disease with bleeding and yellowing skin (jaundice). Yellow fever infection is diagnosed based on laboratory testing, a person’s symptoms, and travel history.
What is the global impact of yellow fever?
What is the global impact of yellow fever? 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. Yellow fever virus is transmitted to people primarily through the bite of infected Aedes or Haemagogus mosquitoes.
When do the symptoms of yellow fever go away?
Many people do not experience symptoms, but when these do occur, the most common are fever, muscle pain with prominent backache, headache, loss of appetite, and nausea or vomiting. In most cases, symptoms disappear after 3 to 4 days.
How is yellow fever transmitted from person to person?
People infected with yellow fever virus are infectious to mosquitoes shortly before the onset of fever and up to 5 days after onset. Outbreaks of yellow fever, which often occur when the disease is introduced to densely populated urban areas, can have disruptive effects on economies and health care systems. Who is at risk?
Is there a cure or treatment for yellow fever?
Up to 50 percent of people with the more-severe form of yellow fever die of the disease. There’s no specific treatment for yellow fever. But getting a yellow fever vaccine before traveling to an area in which the virus is known to exist can protect you from the disease.
What is the global impact of yellow fever? 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. Yellow fever virus is transmitted to people primarily through the bite of infected Aedes or Haemagogus mosquitoes.
What are the symptoms of yellow fever after exposure?
Yellow fever develops quickly, with symptoms occurring three to six days after exposure. The initial symptoms of the infection are similar to those of the influenza virus. They include: headaches muscle aches joint aches chills fever
People infected with yellow fever virus are infectious to mosquitoes shortly before the onset of fever and up to 5 days after onset. Outbreaks of yellow fever, which often occur when the disease is introduced to densely populated urban areas, can have disruptive effects on economies and health care systems. Who is at risk?
Up to 50 percent of people with the more-severe form of yellow fever die of the disease. There’s no specific treatment for yellow fever. But getting a yellow fever vaccine before traveling to an area in which the virus is known to exist can protect you from the disease.