Characterisation of a new group of Francisella tularensis subsp. holarctica in Switzerland with altered antimicrobial susceptibilities, 1996 to 2013 Origgi, F C and Frey, J and Pilo, P, Eurosurveillance, 19, 20858 (2014), https://doi.org/10.2807/1560-7917.ES2014.19.29.20858