title: Challenges in estimating the impact of pneumococcal conjugate vaccines through surveillance.
authors.affiliation: Paediatric Infectious Diseases Unit, Epidemiology and Infection Control Unit, Université Libre de Bruxelles, HUDERF, Brussels, Belgium. anne.vergison@huderf.be
authors.forename: Anne
authors.initials: A
authors.lastname: Vergison
authors.forename: Germaine
authors.initials: G
authors.lastname: Hanquet
mesh_terms: D001431:Bacteriological Techniques / Q000379:methods; D005060:Europe / Q000453:epidemiology; D000069443:Heptavalent Pneumococcal Conjugate Vaccine; D006801:Humans; D015994:Incidence; D011008:Pneumococcal Infections / Q000453:epidemiology* / Q000517:prevention & control*; D022242:Pneumococcal Vaccines / Q000008:administration & dosage* / Q000276:immunology*; D011159:Population Surveillance / Q000379:methods*; D013296:Streptococcus pneumoniae / Q000145:classification / Q000302:isolation & purification; D018074:Vaccines, Conjugate / Q000008:administration & dosage / Q000276:immunology
chemical_list: D000069443:Heptavalent Pneumococcal Conjugate Vaccine; D022242:Pneumococcal Vaccines; D018074:Vaccines, Conjugate