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Genomic and epidemiological monitoring of yellow fever virus transmission potential
Ist Teil von
Science (American Association for the Advancement of Science), 2018-08, Vol.361 (6405), p.894-899
Ort / Verlag
United States: The American Association for the Advancement of Science
Erscheinungsjahr
2018
Link zum Volltext
Quelle
American Association for the Advancement of Science
Beschreibungen/Notizen
The yellow fever virus (YFV) epidemic in Brazil is the largest in decades. The recent discovery of YFV in Brazilian
species mosquitos highlights a need to monitor the risk of reestablishment of urban YFV transmission in the Americas. We use a suite of epidemiological, spatial, and genomic approaches to characterize YFV transmission. We show that the age and sex distribution of human cases is characteristic of sylvatic transmission. Analysis of YFV cases combined with genomes generated locally reveals an early phase of sylvatic YFV transmission and spatial expansion toward previously YFV-free areas, followed by a rise in viral spillover to humans in late 2016. Our results establish a framework for monitoring YFV transmission in real time that will contribute to a global strategy to eliminate future YFV epidemics.