Yellow fever vaccine: WHO position on the use of fractional doses -- June 2017.

The article discusses the position of the World Health Organization (WHO) on yellow fever (YF) vaccines and combinations of vaccines against the disease that have an international public health impact. Topics covered include the intended users of the position papers, background information on YF and its vaccines and the critical importance of strong routine YF immunization programmes and mass vaccination campaigns in line with the WHO EYE Strategy for the prevention of YF outbreaks.