Decreasing incidence and changes in serotype distribution of invasive pneumococcal disease in persons aged under 18 years since introduction of 10-valent and 13-valent conjugate vaccines in Portugal, July 2008 to June 2012
Aguiar, S I and Brito, M J and Horácio, A N and Lopes, J P and Ramirez, M and Melo-Cristino, J and on behalf of the Portuguese Group for the Study of Streptococcal Infections and the Portuguese Study Group of Invasive Pneumococcal Disease of the Paediatric Infectious Disease Society, Eurosurveillance, 19, 20750 (2014), https://doi.org/10.2807/1560-7917.ES2014.19.12.20750