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Key facts. Yellow fever is an infectious disease transmitted by mosquitoes that bite mostly during the day. As of 2023, 34 countries in Africa and 13 countries in Central and South America are either endemic for, or have regions that are endemic for, yellow fever. Yellow fever is prevented by a vaccine, which is safe and affordable.
May 15, 2024 · Initial symptoms of yellow fever can include fever, chills, severe headache, back pain, general body aches, nausea, vomiting, fatigue (feeling tired), and weakness. Severe symptoms include high fever, yellow skin or eyes (jaundice), bleeding, shock, and organ failure.
May 15, 2024 · Yellow fever is caused by a virus primarily spread to people through the bite of infected mosquitoes. Yellow fever virus is maintained in the environment between mosquitoes and non-human primates, like monkeys.
Yellow Fever Virus. Yellow fever virus is primarily spread by mosquitoes. Learn about areas at risk, the illness it causes, and ways to prevent becoming infected, including vaccination.
Yellow fever is a viral disease that is transmitted to humans by the bites of infected mosquitoes. It is prone to epidemics and is preventable with a vaccine. These day-biting mosquitoes breed around houses (domestic), in forests or jungles (wild), or in both habitats (semi-domestic).
Jun 24, 2022 · Overview. What is yellow fever? Yellow fever is a viral disease spread by the bite of specific kinds of mosquitoes. These mosquitoes and yellow fever are found in areas of Africa and South America located in the tropics and subtropics. The mosquitoes are infected when they bite primates who have the virus.
Mar 2, 2017 · Yellow fever is difficult to diagnose (especially during the early stages) because its symptoms can be confused with other common diseases such as malaria, dengue, leptospirosis and Zika virus, as well as with poisoning.
