What is yellow fever?
Yellow fever is a serious disease caused by the yellow fever virus. It is spread through the bite of an infected mosquito and cannot be spread directly from person to person. It is found in certain parts of Africa and South America. Yellow fever can cause: – fever and flu-like illness – jaundice (yellow skin or eyes) – liver, kidney, respiratory and other organ system failure – vomiting blood – death People with yellow fever disease usually have to be hospitalized. 2. How can I prevent Yellow Fever? Yellow Fever Vaccine Yellow fever vaccine can prevent yellow fever. Yellow fever vaccine is given only at approved vaccination centers. After receiving the vaccine, you should receive an International Certificate of Vaccination (yellow card) that has been validated by the vaccination center. This Certificate becomes valid 10 days after vaccination and lasts for 10 years. You will need this card as proof of vaccination to enter certain countries. Consult your health department or visit CDC’s
Yellow fever is a tropical disease that is spread to humans by infected mosquitoes. What is the infectious agent that causes yellow fever? Yellow fever is caused by the yellow fever virus. Where is yellow fever found? Yellow fever is found only in parts of South America and Africa. There are two kinds of yellow fever, spread by two different cycles of infection. Jungle yellow fever is mainly a disease of monkeys. It is spread from infected mosquitoes to monkeys in the tropical rain forest. People get jungle yellow fever when they put themselves in the middle of this natural cycle and are bitten by mosquitoes that have been infected by monkeys. Jungle yellow fever is rare and occurs mainly in persons who work in tropical rain forests. Urban yellow fever is a disease of humans. It is spread by mosquitoes that have been infected by other people. Aedes aegypti is the type of mosquito that usually carries yellow fever from human to human. These mosquitoes have adapted to living among humans
Yellow fever is a viral tropical disease that is spread to humans by infected mosquitoes. The disease is caused by a virus. Most yellow fever infections are mild. However, the disease can cause severe, life-threatening illness. Yellow fever is found only in parts of Africa and South America. Yellow fever has caused large epidemics in Africa and Northern and Southern America. Yellow fever is characterized by fever, jaundice, and hemorrhage. Kinds of Yellow Fever There are two kinds of Yellow Fever: jungle (Sylvatic) yellow fever and urban yellow fever. Jungle Yellow fever usually occurs in monkeys. It is spread from infected monkeys to humans by the bite of an infected female mosquito. Jungle Yellow fever is rare and usually occurs in individuals who work in tropical rain forests. Urban Yellow Fever is a disease that usually occurs in humans. It is spread by the bite of an infected female mosquito that have infected other people. They type of mosquito that usually carries the yellow fev
Yellow fever is a virus transmitted to humans through mosquito bites. Jungle yellow fever is transmitted to humans through mosquitoes who have been infected by monkeys who carry the virus.Urban yellow fever is passed to mosquitoes from infected humans, and the mosquitoes continue to infect other humans by biting them. Yellow fever cannot be passed from human to human.The yellow fever virus is found only in South America and sub-Saharan Africa, and jungle yellow fever is typically only passed to humans who work in the rain forest. Yellow fever can only be contracted through a bite from a female mosquito.Risk factors for getting yellow fever include traveling to an area where humans are already infected by the yellow fever virus, or where there are contaminated monkeys or mosquitoes that can transmit the virus. Symptoms for yellow fever include: • High fever • Chills and muscle aches • Vomiting, sometimes vomiting blood • Headache • Backache More serious complications include: • Shock •
