Increasing macrolide resistance among Streptococcus agalactiae causing invasive disease in non-pregnant adults was driven by a single capsular-transformed lineage, Portugal, 2009 to 2015 Lopes, Elísia and Fernandes, Tânia and Machado, Miguel P and Carriço, João André and Melo-Cristino, José and Ramirez, Mário and Martins, Elisabete R and the Portuguese Group for the Study of Streptococcal Infections, Eurosurveillance, 23, 1700473 (2018), https://doi.org/10.2807/1560-7917.ES.2018.23.21.1700473