Yellow fever - World Health Organization (WHO)
WEBYellow 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 Haemagogus mosquitoes.
Yellow fever - World Health Organization (WHO)
WEBNov 8, 2023 · Yellow fever. 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). Yellow fever is a high-impact, high-threat ...
Yellow fever - World Health Organization (WHO)
WEBMar 2, 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 - World Health Organization (WHO)
WEBAug 2, 2023 · Yellow Fever Vaccines. 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. A booster dose is not needed.
Yellow fever - East, West, and Central Africa
WEBDec 23, 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. From 1 January 2021 to 26 August 2022, a total of 12 countries in …
Countries with risk of yellow fever transmission and countries ...
WEBNov 18, 2022 · Overview . The Country List is a compilation of key information to facilitate international travel. 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 …
Yellow fever - Kenya - World Health Organization (WHO)
WEBDuring the period 12 January to 15 March 2022, a total of 53 suspected yellow fever cases, including six deaths, have been reported from Isiolo county, central Kenya. Two samples tested positive by RT-PCR and six were positive by ELISA, indicating probable yellow fever cases. The last reported yellow fever outbreak in Kenya was in 2011. WHO assesses …
Yellow fever- East, West and Central Africa region
WEBJan 3, 2023 · This is an update on the yellow fever situation in the WHO African Region since the last disease outbreak news was published on 2 September 2022. From 1 January 2021 to 7 December 2022, a total of 203 confirmed and 252 probable cases with 40 deaths (Case Fatality Ratio 9%) were reported to WHO from 13 countries in the WHO African …
Yellow fever - number of reported cases - World Health …
WEBYellow fever - number of reported cases. Recommendations announced for influenza vaccine composition for the 2025 southern hemisphere influenza season. WHO and TikTok to collaborate on more science-based information on health and well-being. World leaders commit to decisive action on antimicrobial resistance.
Yellow fever – African Region (AFRO) - World Health Organization …
WEBSince the beginning of 2023, and as of 25 February 2024, a total of 13 countries in the WHO African Region have documented probable and confirmed cases of yellow fever (YF), namely Burkina Faso, Cameroon, the Central African Republic, Chad, Republic of the Congo, Côte d’Ivoire, the Democratic Republic of the Congo (DRC), Guinea, Niger, …