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abstractpubmed· Abstract 2018· item PMID:29723485

Late or Lack of Vaccination Linked to Importation of Yellow Fever from Angola to China. During March and April 2016, 11 yellow fever cases were identified in China. We report epidemic and viral information for 10 of these patients, 6 of whom had been vaccinated before travel. Phylogenetic analyses suggest these viruses nested within the diversity of strains endemic to Angola, where an outbreak began in 2015.