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31 mag 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 nov 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).
13 apr 2018 · La febbre gialla è una malattia acuta di origine virale che viene trasmessa attraverso la puntura di zanzare infette. È detta "gialla" a causa dell' ittero, che può in alcuni casi manifestarsi con occhi e pelle gialla, in seguito ad un eventuale danno al fegato.
2 mar 2017 · 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", phase usually causes fever, muscle pain with prominent backache, headache, shivers, loss of appetite, and nausea or vomiting. Most patients improve and their symptoms disappear after 3 to 4 days.
- 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...
- 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...
15 mag 2024 · Key points. Yellow fever virus is transmitted to people primarily through the bite of infected mosquitoes. Illness ranges from a fever with aches to severe liver disease with bleeding and yellowing skin and eyes. A vaccine is available for at risk travelers. You can also reduce your risk by avoiding mosquito bites. Overview.
Key points. 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. If infected, people can spread the virus to mosquitoes and rarely to other people though exposure to infected blood.
Descrizione. La febbre gialla è provocata da un virus appartenente al genere Flavivirus, cui appartengono anche virus quali il virus zika, il virus west nile e il virus dell’encefalite giapponese. La malattia colpisce principalmente gli esseri umani e i primati non umani e si trasmette attraverso la puntura di zanzare infette del genere ...
