Outbreak of invasive group A streptococcal disease in two hospitals, Ontario, 2003.
Nolan
L
L
Region of Waterloo Public Health, Waterloo, Ontario, Canada.
Schertzberg
R
R
Wilson-Clark
S
S
McGeer
A
A
Pellizzari
R
R
Steingart
C
C
D003428:Cross Infection / Q000453:epidemiology* / Q000517:prevention & control; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D009864:Ontario / Q000453:epidemiology; D013290:Streptococcal Infections / Q000453:epidemiology* / Q000517:prevention & control; D013297:Streptococcus pyogenes