Learn More
D M Skowronski (danuta.skowronski@bccdc.ca)1,2, C Chambers1, S Sabaiduc1, G De Serres3,4,5, J A Dickinson6, A L Winter7, S J Drews8,9, K Fonseca6,10, H Charest3, J B Gubbay7,11, M Petric2, M Krajden1,2, T L Kwindt1,2, C Martineau3, A Eshaghi7, N Bastien12, Y Li12,13 1. British Columbia Centre for Disease Control, Vancouver, Canada 2. University of British(More)
The 2012/13 influenza season in Canada has been characterised to date by early and moderately severe activity, dominated (90%) by the A(H3N2) subtype. Vaccine effectiveness (VE) was assessed in January 2013 by Canada's sentinel surveillance network using a test-negative case-control design. Interim adjusted-VE against medically attended laboratory-confirmed(More)
Prompt evaluation of annual influenza vaccine effectiveness (IVE) is important. IVE is estimated in Ontario using a test-negative design (TND) within a national sentinel surveillance network (SPSN). To explore alternative approaches, we applied the screening method (SM) during five seasons spanning 2007 to 2012 to passive surveillance data to determine(More)
The objective of this study was to determine the optimal number of respiratory samples per outbreak to be tested for institutional respiratory outbreaks in Ontario. We reviewed respiratory samples tested for respiratory viruses by multiplex PCR as part of outbreak investigations. We documented outbreaks that were positive for any respiratory viruses and for(More)
  • 1