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A. Ambrose · SciRah

Researcher profile · Semantic Scholar

A. Ambrose

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A. Ambrose — researcher profile on SciRah

h-index: 15
Works: 37
Citations: 701

Most-cited papers

The Importance of Frailty in the Assessment of Influenza Vaccine Effectiveness Against Influenza-Related Hospitalization in Elderly People
M. Andrew, V. Shinde, L. Ye, T. Hatchette +27 more
2017Journal of Infectious Diseases150 citations Open access
Semantic Scholar
Effectiveness of Influenza Vaccination on Hospitalizations and Risk Factors for Severe Outcomes in Hospitalized Patients With COPD
S. Mulpuru, Li Li, L. Ye, T. Hatchette +34 more
2019Chest90 citations
Semantic Scholar
Interim estimates of 2014/15 influenza vaccine effectiveness in preventing laboratory-confirmed influenza-related hospitalisation from the Serious Outcomes Surveillance Network of the Canadian Immunization Research Network, January 2015.
Shelly A. McNeil, Melissa K. Andrew, L. Ye, F. Haguinet +11 more
2015Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin58 citations Open access
Semantic Scholar
Influenza vaccine effectiveness to prevent influenza-related hospitalizations and serious outcomes in Canadian adults over the 2011/12 through 2013/14 influenza seasons: A pooled analysis from the Canadian Immunization Research Network (CIRN) Serious Outcomes Surveillance (SOS Network).
M. Nichols, M. Andrew, T. Hatchette, A. Ambrose +34 more
2018Vaccine52 citations
Semantic Scholar
Interim estimates of 2013/14 influenza clinical severity and vaccine effectiveness in the prevention of laboratory-confirmed influenza-related hospitalisation, Canada, February 2014.
Sa McNeil, V. Shinde, M. Andrew, T. Hatchette +30 more
2014Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin46 citations Open access
Semantic Scholar
Streptococcus pneumoniae serotype 3 is masking PCV13-mediated herd immunity in Canadian adults hospitalized with community acquired pneumonia: A study from the Serious Outcomes Surveillance (SOS) Network of the Canadian immunization research Network (CIRN).
J. LeBlanc, M. ElSherif, L. Ye, D. MacKinnon-Cameron +19 more
2019Vaccine36 citations Open access
Semantic Scholar
Age-stratified burden of pneumococcal community acquired pneumonia in hospitalised Canadian adults from 2010 to 2015
J. LeBlanc, M. ElSherif, L. Ye, D. MacKinnon-Cameron +20 more
2020BMJ Open Respiratory Research33 citations Open access
Semantic Scholar
Burden of vaccine-preventable pneumococcal disease in hospitalized adults: A Canadian Immunization Research Network (CIRN) Serious Outcomes Surveillance (SOS) network study.
J. LeBlanc, M. ElSherif, L. Ye, D. MacKinnon-Cameron +21 more
2017Vaccine33 citations Open access
Semantic Scholar
Resource utilization and cost of influenza requiring hospitalization in Canadian adults: A study from the serious outcomes surveillance network of the Canadian Immunization Research Network
Carita Ng, L. Ye, S. Noorduyn, M. Hux +29 more
2018Influenza and Other Respiratory Viruses29 citations Open access
Semantic Scholar
Influenza vaccine effectiveness against influenza-related hospitalization during a season with mixed outbreaks of four influenza viruses: a test-negative case-control study in adults in Canada
M. Andrew, V. Shinde, T. Hatchette, A. Ambrose +28 more
2017BMC Infectious Diseases23 citations Open access
Semantic Scholar
The Impact of Prior Season Vaccination on Subsequent Influenza Vaccine Effectiveness (VE) to Prevent Influenza-Related Hospitalizations over Four Influenza Seasons in Canada.
M. Nichols, M. Andrew, L. Ye, T. Hatchette +24 more
2018Clinical Infectious Diseases21 citations
Semantic Scholar
Short and Long-Term Safety of the 2009 AS03-Adjuvanted Pandemic Vaccine
G. De Serres, Marie-Claude Gariépy, B. Coleman, I. Rouleau +15 more
2012PLoS ONE20 citations Open access
Semantic Scholar
Leveraging Influenza Virus Surveillance From 2012 to 2015 to Characterize the Burden of Respiratory Syncytial Virus Disease in Canadian Adults ≥50 Years of Age Hospitalized With Acute Respiratory Illness
M. ElSherif, M. Andrew, L. Ye, A. Ambrose +26 more
2023Open Forum Infectious Diseases19 citations Open access
Semantic Scholar
Impact of respiratory viral infections on mortality and critical illness among hospitalized patients with chronic obstructive pulmonary disease
S. Mulpuru, M. Andrew, L. Ye, T. Hatchette +8 more
2022Influenza and Other Respiratory Viruses18 citations Open access
Semantic Scholar
Recalibrated estimates of non-bacteremic and bacteremic pneumococcal community acquired pneumonia in hospitalized Canadian adults from 2010 to 2017 with addition of an extended spectrum serotype-specific urine antigen detection assay.
J. LeBlanc, M. ElSherif, L. Ye, D. MacKinnon-Cameron +19 more
2022Vaccine16 citations Open access
Semantic Scholar
Vaccine Effectiveness of non-adjuvanted and adjuvanted trivalent inactivated influenza vaccines in the prevention of influenza-related hospitalization in older adults: A pooled analysis from the Serious Outcomes Surveillance (SOS) Network of the Canadian Immunization Research Network (CIRN).
Henrique Pott, Melissa K. Andrew, Zach Shaffelburg, M. Nichols +24 more
2023Vaccine13 citations Open access
Semantic Scholar
Oseltamivir Reduces 30-Day Mortality in Older Adults With Influenza: A Pooled Analysis From the 2012–2019 Serious Outcomes Surveillance Network of the Canadian Immunization Research Network
Henrique Pott, Melissa K. Andrew, Zach Shaffelburg, M. Nichols +24 more
2025Open Forum Infectious Diseases11 citations Open access
Semantic Scholar
Older Age and Frailty are Associated with Higher Mortality but Lower ICU Admission with COVID-19
M. Andrew, Judith Godin, J. LeBlanc, G. Boivin +14 more
2022Canadian Geriatrics Journal11 citations Open access
Semantic Scholar
Impact of Frailty on Influenza Vaccine Effectiveness and Clinical Outcomes: Experience from the Canadian Immunization Research Network (CIRN) Serious Outcomes Surveillance (SOS) Network 2011/12 Season
M. Andrew, Sarah Macdonald, L. Ye, A. Ambrose +35 more
20169 citations Open access
Semantic Scholar
Validation of the Seegene RV15 multiplex PCR for the detection of influenza A subtypes and influenza B lineages during national influenza surveillance in hospitalized adults
J. LeBlanc, M. ElSherif, S. Mulpuru, M. Warhuus +31 more
2019Journal of Medical Microbiology8 citations Open access
Semantic Scholar
Frailty Hinders Recovery From Acute Respiratory Illness in Older Adults
M. Andrew, Caitlin Lees, Judith Godin, K. Black +28 more
2017Open Forum Infectious Diseases2 citations Open access
Semantic Scholar
Case-control study of household contacts to examine immunological protection from Bordetella pertussis transmission - study protocol.
S. Bolotin, Caitlin Johnson, Susan Quach, A. Ambrose +19 more
2017CMAJ Open2 citations Open access
Semantic Scholar
2715. Pneumococcal Community-Acquired Pneumonia Attributed to PCV13 Serotypes in Hospitalized Adults: Comparison of the 50–64 and 65+ Age Groups
J. LeBlanc, M. ElSherif, L. Ye, D. MacKinnon-Cameron +19 more
2019Open Forum Infectious Diseases1 citations Open access
Semantic Scholar
Epidemiology of Influenza Viruses in Canada over the 2011–2012 to 2013–2014 Seasons: A Study from the Serious Outcomes Surveillance (SOS) Network of the Canadian Immunization Research Network (CIRN)
M. ElSherif, T. Hatchette, J. LeBlanc, L. Ye +20 more
2017Open Forum Infectious Diseases1 citations Open access
Semantic Scholar
The Burden of Pneumococcal Community-Acquired Pneumonia and Invasive Pneumococcal Disease in Hospitalized Adults: A Canadian Immunization Research Network (CIRN) Serious Outcomes Surveillance (SOS) Network Study
J. LeBlanc, M. ElSherif, D. MacKinnon-Cameron, L. Ye +20 more
20161 citations Open access
Semantic Scholar
Influenza Vaccine Effectiveness in the Prevention of Influenza-Related Hospitalization in Canadian Adults Over the 2011/12 Through 2013/14 Season: A Pooled Analysis From the Serious Outcomes Surveillance (SOS) Network of the Canadian Influenza Research Network (CIRN)
S. Mcneil, T. Hatchette, M. Andrew, A. Ambrose +34 more
20161 citations Open access
Semantic Scholar
1325. Recalibrating Estimates of Pneumococcal Disease in Hospitalized Canadian adults from 2010 to 2017 with Use of an Extended Spectrum Serotype-specific Urine Antigen Detection
J. LeBlanc, M. ElSherif, L. Ye, D. MacKinnon-Cameron +19 more
2021Open Forum Infectious Diseases0 citations Open access
Semantic Scholar
Older Age and Frailty Are Associated With Higher Mortality but Lower Intensive Care Unit Admission Among Adults Admitted to Canadian Hospitals With COVID-19: A Report From the Canadian Immunization Research Network (CIRN) Serious Outcomes Surveillance Network
M. Andrew, Judith Godin, Jason Leblanc, G. Boivin +11 more
20210 citations Open access
Semantic Scholar
2714. Streptococcus pneumoniae Nasopharyngeal Carriage in Canadian Adults Hospitalized with Community-Acquired Pneumonia from 2010 to 2017
J. LeBlanc, M. ElSherif, A. Lang, Hayley D. Gillis +19 more
2019Open Forum Infectious Diseases0 citations Open access
Semantic Scholar
1365 The incidence of community acquired pneumonia by occupation
A. Adisesh, Anne Thériault, D. MacKinnon-Cameron, A. Ambrose +9 more
20180 citations Open access
Semantic Scholar
992. 2016–2017 Influenza Burden of Disease and End-of-Season Influenza Vaccine Effectiveness (VE) Estimates for Preventing Influenza-Related Hospitalization Among Canadian Adults: An Analysis From the Canadian Immunization Research Network (CIRN) Serious Outcomes Surveillance (SOS) Network
M. Nichols, M. Andrew, T. Hatchette, A. Ambrose +21 more
2018Open Forum Infectious Diseases0 citations Open access
Semantic Scholar
2496. A Comparative Evaluation of the Burden of Disease Caused by Influenza A and Influenza B During the 2011–2012, 2012–2013, and 2013–2014 Influenza Seasons in Canada
Caoimhe McParland, M. Nichols, M. Andrew, T. Hatchette +4 more
2018Open Forum Infectious Diseases0 citations Open access
Semantic Scholar
1468. PCV13 Serotype Trends Over Time in Pneumococcal Community Acquired Pneumonia: Which Method(s) Work Best?
J. LeBlanc, M. ElSherif, L. Ye, D. MacKinnon-Cameron +16 more
2018Open Forum Infectious Diseases0 citations Open access
Semantic Scholar
Decrease in PCV13 Serotypes in Adults Hospitalized with Pneumococcal Pneumonia Over Time: Evidence of Herd Immunity Effects from Childhood Vaccination
J. LeBlanc, M. ElSherif, L. Ye, D. MacKinnon-Cameron +18 more
20170 citations Open access
Semantic Scholar
Impact of Antivirals in the Prevention of Serious Outcomes Associated with Influenza in Hospitalized Canadian Adults: A Pooled Analysis from the Serious Outcomes Surveillance (SOS) Network of the Canadian Immunization Research Network (CIRN)
Zach Shaffelburg, M. Nichols, L. Ye, M. Andrew +32 more
2017Open Forum Infectious Diseases0 citations Open access
Semantic Scholar
Impact of Prior Season Influenza Vaccination on Seasonal Influenza Vaccine Effectiveness: An Analysis over Four Consecutive Seasons from the Serious Outcomes Surveillance (SOS) Network of the Canadian Immunization Research Network (CIRN)
M. Nichols, L. Ye, M. Andrew, T. Hatchette +24 more
2017Open Forum Infectious Diseases0 citations Open access
Semantic Scholar
Preliminary End-of-Season Estimates of 2014/15 Influenza Vaccine Effectiveness in Preventing Laboratory-Confirmed Influenza-Related Hospitalization from the Serious Outcomes Surveillance (SOS) Network of the Canadian Immunization Research Network (CIRN)
S. Mcneil, A. Ambrose, M. Andrew, G. Boivin +23 more
20150 citations Open access
Semantic Scholar

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