A sentinel platform to evaluate influenza vaccine effectiveness and new variant circulation, Canada 2010–2011 season

DM Skowronski, NZ Janjua, G De Serres… - Clinical infectious …, 2012 - academic.oup.com
Abstract Background. During the 2010–2011 winter, a large number of outbreaks due to
influenza A/H3N2 at long-term care facilities, including higher-than-expected attack rates …

Estimates of influenza vaccine effectiveness for 2007–2008 from Canada's sentinel surveillance system: cross-protection against major and minor variants

NZ Janjua, DM Skowronski, G De Serres… - The Journal of …, 2012 - academic.oup.com
Objectives. To estimate influenza vaccine effectiveness (VE) for the 2007–2008 season and
assess the sentinel surveillance system in Canada for monitoring virus evolution and impact …

Influenza vaccine effectiveness by A (H3N2) phylogenetic subcluster and prior vaccination history: 2016–2017 and 2017–2018 epidemics in Canada

DM Skowronski, S Leir, S Sabaiduc… - The Journal of …, 2022 - academic.oup.com
Abstract Background The influenza A (H3N2) vaccine was updated from clade 3C. 3a in
2015–2016 to 3C. 2a for 2016–2017 and 2017–2018. Circulating 3C. 2a viruses showed …

A perfect storm: impact of genomic variation and serial vaccination on low influenza vaccine effectiveness during the 2014–2015 season

DM Skowronski, C Chambers… - Clinical Infectious …, 2016 - academic.oup.com
Abstract Background. The 2014–2015 influenza season was distinguished by an epidemic
of antigenically-drifted A (H3N2) viruses and vaccine components identical to 2013–2014 …

Poor immunogenicity, not vaccine strain egg adaptation, may explain the low H3N2 influenza vaccine effectiveness in 2012–2013

S Cobey, S Gouma, K Parkhouse… - Clinical Infectious …, 2018 - academic.oup.com
Background Influenza vaccination aims to prevent infection by influenza virus and reduce
associated morbidity and mortality; however, vaccine effectiveness (VE) can be modest …

Integrated sentinel surveillance linking genetic, antigenic, and epidemiologic monitoring of influenza vaccine-virus relatedness and effectiveness during the 2013 …

DM Skowronski, C Chambers… - The Journal of …, 2015 - academic.oup.com
Abstract Background. Canada's Sentinel Physician Surveillance Network links genetic,
antigenic, and vaccine effectiveness (VE) measures in an integrated platform of influenza …

Interim estimates of 2014/15 vaccine effectiveness against influenza A (H3N2) from Canada's Sentinel Physician Surveillance Network, January 2015

DM Skowronski, C Chambers, S Sabaiduc… - …, 2015 - eurosurveillance.org
The 2014/15 influenza season to date in Canada has been characterised by predominant
influenza A (H3N2) activity. Canada's Sentinel Physician Surveillance Network (SPSN) …

Low 2012–13 influenza vaccine effectiveness associated with mutation in the egg-adapted H3N2 vaccine strain not antigenic drift in circulating viruses

DM Skowronski, NZ Janjua, G De Serres, S Sabaiduc… - PloS one, 2014 - journals.plos.org
Background Influenza vaccine effectiveness (VE) is generally interpreted in the context of
vaccine match/mismatch to circulating strains with evolutionary drift in the latter invoked to …

Component-specific effectiveness of trivalent influenza vaccine as monitored through a sentinel surveillance network in Canada, 2006–2007

DM Skowronski, G De Serres… - The Journal of …, 2009 - academic.oup.com
Background. Trivalent inactivated influenza vaccine (TIV) is reformulated annually to contain
representative strains of 2 influenza A subtypes (H1N1 and H3N2) and 1 B lineage …

Interim estimates of influenza vaccine effectiveness in 2012/13 from Canada's sentinel surveillance network, January 2013

DM Skowronski, NZ Janjua, G De Serres… - …, 2013 - eurosurveillance.org
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 …