Letter to the editor: Escherichia coli harbouring mcr-1 gene isolated from poultry not exposed to polymyxins in Brazil Lentz, Silvia AM and de Lima-Morales, Daiana and Cuppertino, Victória ML and Nunes, Luciana de S and da Motta, Amanda S and Zavascki, Alexandre P and Barth, Afonso L and Martins, Andreza F, Eurosurveillance, 21, 30267 (2016), https://doi.org/10.2807/1560-7917.ES.2016.21.26.30267