RT Journal Article SR Electronic(1) A1 Lévy-Bruhl, D YR 2014 T1 Protecting the very young against pertussis – cough, costs and cocooning JF Eurosurveillance VO 19 IS 5 SP 20689 OP DO https://doi.org/10.2807/1560-7917.ES2014.19.5.20689 UL https://www.eurosurveillance.org/content/10.2807/1560-7917.ES2014.19.5.20689