Lege Artis Medicinae

[Vaccine coverage of invasive and carried Streptococcus pneumoniae isolates in Hungary]

TÓTHPÁL Adrienn, LAUB Krisztina, KARDOS Szilvia, NAGY Károly, DOBAY Orsolya

APRIL 20, 2014

Lege Artis Medicinae - 2014;24(04)

[Vaccination against Streptococcus pneumoniae will be mandatory for infants and children from 1 July 2014 in Hungary. Since the introduction of the conjugate vaccine against Pneumococcus, the distribution of Pneumococcus serotypes has changed significantly. Surveillance data from the National Centre for Epidemiology show that certain vaccine-type pneumococcal serotypes have almost disappeared owing to the immunization program, while other serotypes have emerged. Nowadays serotype 3 and the multiresistant 19A serotype are the most frequent causes oif invasive infections. A study analysing the nasal carriage of children attending kindergartens also confirmed the decline of vaccine- serotypes parallel to vaccination coverage and the simultaneous emergence of previously very types, such as 19A. The most recent study examining nasal carriage of children attending nursery (age < 3 years) showed that the 13-valent conjugate vaccine has efficiently decreased the carriage of serotypes 3 and 19A, verifying that the immunisation program should be continued using the vaccine providing the broadest coverage against Pneumococcus.]

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