Strain Prevalence, Rather than Innate Virulence Potential, Is the Major Factor Responsible for an Increase in Serious Group A Streptococcus Infections
Author(s) -
Susan Rogers,
Robert J. Commons,
Margie Danchin,
Gowri Selvaraj,
Loraine Kelpie,
Nigel Curtis,
Roy M. RobinsBrowne,
Jonathan R. Carapetis
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 - 10.1086/513875
Subject(s) - virulence , virulence factor , microbiology and biotechnology , strain (injury) , streptococcus , biology , group a , innate immune system , streptococcus pneumoniae , immunology , medicine , bacteria , genetics , gene , antibiotics , immune system , anatomy
It is postulated that the surge in incidence and severity of group A streptococcus (GAS) infections since the 1980s is due to the emergence of strains of GAS with increased virulence. We used active, population-based surveillance of invasive GAS disease, serologically confirmed pharyngitis, and carriage to determine whether particular strains were associated with invasive disease.
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