Diversity and Antibiotic Resistance among Nonvaccine Serotypes ofStreptococcus pneumoniaeCarriage Isolates in the Post–Heptavalent Conjugate Vaccine Era
Author(s) -
William P. Hanage,
Susan S. Huang,
Marc Lipsitch,
Cynthia Bishop,
Daniel Godoy,
Stephen I. Pelton,
Richard Goldstein,
Heather Huot,
Jonathan A. Finkelstein
Publication year - 2007
Publication title -
the journal of infectious diseases
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.69
H-Index - 252
eISSN - 1537-6613
pISSN - 0022-1899
DOI - 10.1086/510249
Subject(s) - carriage , streptococcus pneumoniae , serotype , microbiology and biotechnology , virology , antibiotic resistance , biology , pneumococcal conjugate vaccine , antibiotics , medicine , pathology
In response to the selective pressure of pneumococcal conjugate vaccine, increased asymptomatic carriage of antibiotic-nonsusceptible nonvaccine serotypes (NVTs) has been observed. Possible mechanisms include de novo acquisition of resistance, serotype switching, introduction of new clones, and expansion of existing clones.
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