Article: article from journal or magazin.
Respiratory viral infections in institutions from late stage of the first and second waves of pandemic influenza A (H1N1) 2009, Ontario, Canada.
Influenza and Other Respiratory Viruses
Publication types: Journal ArticlePublication Status: ppublish
We report the impact of respiratory viruses on various outbreak settings by using surveillance data from the late first and second wave periods of the 2009 pandemic. A total of 278/345(78·5%) outbreaks tested positive for at least one respiratory virus by multiplex PCR. We detected A(H1N1)pdm09 in 20·6% of all reported outbreaks of which 54·9% were reported by camps, schools, and day cares (CSDs) and 29·6% by long-term care facilities (LCFTs), whereas enterovirus/human rhinovirus (ENT/HRV) accounted for 62% outbreaks of which 83·7% were reported by long-term care facilities (LCTFs). ENT/HRV was frequently identified in LTCF outbreaks involving elderly residents, whereas in CSDs, A(H1N1)pdm09 was primarily detected.
Adolescent, Aged, Aged, 80 and over, Child, Child Day Care Centers, Child, Preschool, Disease Outbreaks, Enterovirus/genetics, Enterovirus/isolation & purification, Humans, Influenza A Virus, H1N1 Subtype/genetics, Influenza A Virus, H1N1 Subtype/isolation & purification, Influenza, Human/epidemiology, Influenza, Human/virology, Male, Nursing Homes, Ontario/epidemiology, Pandemics, Respiratory Tract Infections/epidemiology, Respiratory Tract Infections/virology, Rhinovirus/genetics, Rhinovirus/isolation & purification, Schools
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