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 …
Vaccines and vaccination against yellow fever: WHO Position …
Jul 5, 2013 · This updated position paper on yellow fever (YF) vaccines and vaccination replaces the previous 2003 WHO position paper and summarizes recent developments in the field. …
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 …
Yellow Fever - West and Central Africa
Dec 23, 2021 · Yellow fever (YF) is an acute viral disease transmitted by infected mosquitoes (including Aedes sp. and Haemogogus sp). Transmission can be amplified in circumstances …
Yellow fever vaccine: WHO position on the use of fractional doses ...
Jun 1, 2017 · This updated position paper on yellow fever (YF) vaccines and vaccination replaces the previous 2003 WHO position paper and summarizes recent developments in the field. …
Countries with risk of yellow fever transmission and countries ...
Nov 18, 2022 · This list includes only countries or areas where WHO has determined there is a risk of yellow fever transmission and/or where there are country requirements for travellers.
Immunization, Vaccines and Biologicals
Jul 10, 2025 · The Immunization, Vaccines and Biologicals department is responsible for targeting vaccine-preventable diseases, guiding immunization research and establishing immunization …
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.
Eliminate Yellow Fever Epidemics (EYE) 2017–2026
Jan 21, 2018 · Overview The global health community is facing an increased risk of urban outbreaks of yellow fever (YF). The risk of international spread, YF’s changing epidemiology …
Yellow Fever - Ghana - World Health Organization (WHO)
Dec 1, 2021 · The overall risk of YF from this event at the national, regional and global levels are assessed as moderate, moderate and low, respectively. YF is an acute viral disease …