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31 de mai. de 2023 · WHO fact sheet about yellow fever, an acute viral haemorrhagic disease transmitted by infected mosquitoes. It provides key facts and information on signs and symptoms, populations at risk, transmission, treatment, prevention, WHO response.
8 de nov. de 2023 · Yellow fever is an epidemic-prone vector-borne vaccine preventable viral disease that is transmitted to humans by the bites of infected mosquitos. In some of the unvaccinated individuals, the virus can cause severe illness including jaundice and bleeding (severe cases).
2 de mar. de 2017 · How do you get yellow fever? What are the symptoms? How is it treated? How is it diagnosed? How can it be prevented? Is the vaccine effective and safe? Who should be vaccinated? Who should not be vaccinated? Am I protected from yellow fever immediately following vaccination?
- Yellow fever occurs in 47 endemic countries in Africa in Central and South America. Around 90% of cases reported every year occur in Sub-Saharan Af...
- The yellow fever virus is transmitted by infected mosquitoes, most commonly from the Aedes species – the same mosquito that spreads the Zika, Chiku...
- Once contracted, the yellow fever virus incubates in the body for 3 to 6 days. Symptoms usually present themselves in 2 phases. The first, "acute",...
- There is no specific treatment for yellow fever but good supportive treatment of symptoms, such as dehydration, fever and infection, improves survi...
- Yellow fever is difficult to diagnose (especially during the early stages) because its symptoms can be confused with other common diseases such as...
- Vaccine is the most important means to combat yellow fever. The yellow fever vaccine is safe and affordable, and a single dose provides life-long i...
- Vaccination is the single most important measure for preventing yellow fever. The vaccine has been used for many decades and is safe and affordable...
- In countries where yellow fever occurs, WHO strongly recommends routine vaccination for everyone older than 9 months. During an epidemic, when a ma...
- Some people should not be routinely vaccinated, including: infants aged less than 9 months (or less than 6 months during an outbreak, where the ris...
Yellow fever Fact sheet • Yellow fever is an acute viral haemorrhagic disease transmitted by infected mosquitoes. The “yellow” in the name refers to the jaundice that affects some patients. • Up to 50% of severely affected persons without treatment will die from yellow fever.
Learn how to prevent yellow fever. Yellow Fever: Symptoms, Diagnosis, and Treatment. Yellow Fever Vaccine. Countries at Risk for Yellow Fever: Africa. Countries at Risk for Yellow Fever: South America.
29 de ago. de 2020 · Yellow fever is a mosquito-borne viral illness found in tropical and subtropical areas in South America and Africa. Transmission is primarily via Aedes and Haemagogus species of mosquito. It can present with varying clinical features ranging from a self-limited, mild febrile illness to severe hemorrhage and liver disease.
Yellow fever is a viral disease of typically short duration. In most cases, symptoms include fever, chills, loss of appetite, nausea, muscle pains—particularly in the back—and headaches. Symptoms typically improve within five days.
