Yellow Fever Outbreaks in Unvaccinated Populations, Brazil, 2008–2009. - Romano, Alessandro Pecego Martins; Costa, Zouraide Guerra Antunes; Ramos, Daniel Garkauskas; Andrade, Maria Auxiliadora; Jayme, Valéria de Sá; Almeida, Marco Antônio Barreto de; Vettorello, Kátia Campomar; Mascheretti, Melissa; Flannery, Brendan (PLoS Neglected Tropical Diseases, 2014)