%0 Journal Article %A Zeddeman, A %A van Gent, M %A Heuvelman, C J %A van der Heide, H G %A Bart, M J %A Advani, A %A Hallander , H O %A Wirsing von König, C H %A Riffelman, Marion %A Storsaeter, J %A Vestrheim, D F %A Dalby, T %A Krogfelt, K A %A Fry, N K %A Barkoff, A M %A Mertsola, J %A He, Q %A Mooi, F %T Investigations into the emergence of pertactin-deficient Bordetella pertussis isolates in six European countries, 1996 to 2012 %D 2014 %J Eurosurveillance %V 19 %N 33 %P 20881 %R doi:https://doi.org/10.2807/1560-7917.ES2014.19.33.20881 %K vaccines and immunisation %K pertussis %K bacterial infections %K epidemiology %U https://www.eurosurveillance.org/content/10.2807/1560-7917.ES2014.19.33.20881