
Yellow fever - World Health Organization (WHO)
Oct 20, 2025 · WHO fact sheet about yellow fever, a mosquito-borne viral disease. Included are sections on symptoms, treatment, diagnosis, prevention and WHO's work in this area.
Yellow fever - World Health Organization (WHO)
Jul 10, 2025 · 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, …
Yellow fever - World Health Organization (WHO)
Mar 2, 2017 · 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 Africa. Infected travellers from …
Yellow Fever - World Health Organization (WHO)
Yellow fever (YF) is an infection caused by a virus of the family Flaviviridae and it is transmitted by mosquitoes.
Yellow fever - Ghana - World Health Organization (WHO)
Dec 1, 2021 · The International Coordinating Group on Vaccine Provision for Yellow Fever (ICG), which oversees the global emergency stockpile for YF outbreak response, has approved a larger scale …
黄热病 - World Health Organization (WHO)
Oct 20, 2025 · 重要事实 黄热病是一种蚊子传播的病毒性疾病,主要由日间叮咬的蚊子传播。 27个非洲国家和13个拉丁美洲国家被列为黄热病暴发高风险国家。国际传播到此前未受影响地区的可能性仍然 …
Yellow fever - World Health Organization (WHO)
Jul 10, 2025 · It is recommended that the yellow fever vaccine be given to infants at age 9–12 months at the same time as the measles vaccine in yellow fever-endemic countries. All countries with areas at …
Yellow Fever - World Health Organization (WHO)
Public health aspects Yellow fever (YF) is a mosquito-borne, viral haemorrhagic fever that is endemic in tropical areas of Africa and South America, where is has caused outbreaks at irregular intervals for …
Yellow fever - East, West, and Central Africa
Dec 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 …
Yellow fever - Region of the Americas
Yellow fever is an epidemic-prone, vaccine-preventable disease caused by an arbovirus transmitted to humans primarily through the bites of an infected Aedes spp. and Haemagogus spp. mosquitoes. …