Respiratory infection in institutions during early stages of pandemic (H1N1) 2009, Canada.
Outbreaks of respiratory infection in institutions in Ontario, Canada were studied from April 20 to June 12, 2009, during the early stages of the emergence of influenza A pandemic (H1N1) 2009. Despite widespread presence of influenza in the general population, only 2 of 83 outbreaks evaluated by molecular methods were associated with pandemic (H1N1) 2009.
Marchand-Austin
Alex
A
Public Health Agency of Canada, Toronto, Ontario, Canada.
Farrell
David J
DJ
Jamieson
Frances B
FB
Lombardi
Nino
N
Lombos
Ernesto
E
Narang
Sunita
S
Akwar
Holy
H
Low
Donald E
DE
Gubbay
Jonathan B
JB
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002170:Canada / Q000453:epidemiology; D004196:Disease Outbreaks; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000453:epidemiology*; D008134:Long-Term Care; D008875:Middle Aged; D012141:Respiratory Tract Infections / Q000453:epidemiology*; D013997:Time Factors