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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).
- Travel and Health
International travel can pose various risks to health,...
- Neglected Tropical Diseases
Neglected tropical diseases (NTDs) are a diverse group of 20...
- 2020-E000043
22 April 2020 | Yellow Fever - Ethiopia. Disease Outbreak...
- Dengue and Severe Dengue
There are no specific vaccines or antiviral treatments...
- Vaccines and Immunization
yellow fever; Some other vaccines are currently being...
- Yellow Fever
WHO fact sheet about yellow fever, an acute viral...
- Fact sheet Yellow fever
Key facts. Yellow fever is an acute viral haemorrhagic...
- East, West, and Central Africa
Yellow fever is endemic in the WHO African Region and was...
- Travel and Health
- Overview
- Symptoms
- Diagnosis
- Prevention
- Who Response
Yellow fever is an epidemic-prone mosquito-borne vaccine preventable disease that is transmitted to humans by the bites of infected mosquitoes. Yellow fever is caused by an arbovirus (a virus transmitted by vectors such mosquitoes, ticks or other arthropods) transmitted to humans by the bites of infected Aedes and Haemagogusmosquitoes. These day-bi...
The incubation period for yellow fever is 3 to 6 days. Many people do not experience symptoms. Common symptoms include fever, muscle pain, headache, loss of appetite, nausea or vomiting. In most cases, symptoms disappear after 3 to 4 days. A small percentage of patients enter a second, more toxic phase within 24 hours of recovering from initial sym...
Yellow fever is difficult to diagnose, especially during the early stages. A more severe case can be confused with malaria, leptospirosis, viral hepatitis, other haemorrhagic fevers, infection with other flaviviruses (such as dengue), and poisoning. Polymerase chain reaction (PCR) testing in blood can sometimes detect the virus in early stages of t...
1. Vaccination Vaccination is the most important means of preventing yellow fever. The yellow fever vaccine is safe, affordable and a single dose provides life-long protection against yellow fever disease. A booster dose of yellow fever vaccine is not needed. The vaccine provides effective immunity within 10 days for 80–100% of people vaccinated, a...
The Eliminate Yellow Fever Epidemics (EYE) Strategy was developed in response to two urban yellow fever outbreaks – in Luanda (Angola) and Kinshasa (Democratic Republic of the Congo), with international exportation to other countries, including China, showing that yellow fever poses a serious global threat requiring new strategic thinking. The EYE ...
18 de nov. de 2022 · The information provided for each country includes vaccination requirements for international travellers as provided by States Parties to the International Health Regulations (2005) (IHR), as well as WHO recommendations for vaccination against yellow fever, poliomielytis, and malaria prophylaxis.
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...
2 de ago. de 2023 · Vaccination is the most important measure for preventing yellow fever. Yellow fever vaccine is safe, affordable, and a single dose provides life-long protection against yellow fever disease. The yellow fever vaccine provides immunity within one week in 95% of people vaccinated.
Key facts. 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.
23 de dez. de 2021 · Yellow fever is endemic in the WHO African Region and was among the top five most frequently reported events in the region in 2019 and 2020. Twenty-seven countries in Africa have been classified as high-risk by the Eliminate Yellow fever Epidemics (EYE) global strategy.
