Ongoing outbreak of invasive listeriosis due to serotype 1/2a Listeria monocytogenes, Ancona province, Italy, January 2015 to February 2016 Marini, Emanuela and Magi, Gloria and Vincenzi, Chiara and Manso, Esther and Facinelli, Bruna, Eurosurveillance, 21, 30217 (2016), https://doi.org/10.2807/1560-7917.ES.2016.21.17.30217