Chromosomal diversity and relationships among 126 Streptococcus pyogenes strains
expressing M1 protein from 13 countries on five continents were analyzed by multilocus …

A clinical microbiology report that indicates only the presence of P-haemolytic streptococci is
grossly inadequate. Accurate clinical diagnosis depends on knowledge of the specific …

Streptococcus pyogenes isolates (group A streptococcus) of different erythromycin
resistance phenotypes were collected from all over Finland in 1994 and 1995 and studied; …

A clonal variant of serotype M1 group A streptococcus (designated M1inv+) has been linked
to severe and invasive infections, including sepsis, necrotizing fasciitis and toxic shock. High …

The aim of this study was to determine whether the high levels of erythromycin resistance in
Streptococcus pyogenes found in Spain are due to the introduction and spread of one or …

ABSTRACT A total of 1,500 recent throat isolates of Streptococcus pyogenes collected
between 1996 and 1999 from children throughout France were tested for their susceptibility …

Different mechanisms of erythromycin resistance predominate in group C and G
streptococcus (GCS and GGS, respectively) isolates collected from 1992 to 1995 in Finland …

Objective To compare the efficacy and safety of amoxicillin (50 mg/kg/day divided twice
daily) for 6 days and penicillin V (45 mg/kg/day divided into three doses/day) for 10 days in …

Genome sequencing of group A Streptococcus (GAS) has revealed that prophages account
for the vast majority of gene content differences between strains. Serotype M28 strains are a …

Since the mid-1980s, there has been a resurgence of severe forms of invasive group A
streptococcal (GAS) disease in many Western countries. In Hong Kong, a similar increase …