Ardith Ambrose

Dalhousie University — Canada

Medicine · Health Sciences

13h-index614citations35works5.02yr avg
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Research Topics

Respiratory viral infections research(21), Influenza Virus Research Studies(16), Pneumonia and Respiratory Infections(12), Frailty in Older Adults(5), Immunodeficiency and Autoimmune Disorders(5)

Publications34 total

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
Open Forum Infectious Diseases·2025· 5 citedOpen Access
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)
Vaccine·2023· 15 citedOpen Access
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
Open Forum Infectious Diseases·2023· 21 citedOpen Access
Impact of respiratory viral infections on mortality and critical illness among hospitalized patients with chronic obstructive pulmonary disease
Influenza and Other Respiratory Viruses·2022· 17 citedOpen Access
Older Age and Frailty are Associated with Higher Mortality but Lower ICU Admission with COVID-19
Canadian Geriatrics Journal·2022· 10 citedOpen Access
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
Vaccine·2022· 12 citedOpen Access
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
Open Forum Infectious Diseases·2021Open Access
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
SSRN Electronic Journal·2021Open Access
Age-stratified burden of pneumococcal community acquired pneumonia in hospitalised Canadian adults from 2010 to 2015
BMJ Open Respiratory Research·2020· 29 citedOpen Access
2715. Pneumococcal Community-Acquired Pneumonia Attributed to PCV13 Serotypes in Hospitalized Adults: Comparison of the 50–64 and 65+ Age Groups
Open Forum Infectious Diseases·2019· 1 citedOpen Access
2714. Streptococcus pneumoniae Nasopharyngeal Carriage in Canadian Adults Hospitalized with Community-Acquired Pneumonia from 2010 to 2017
Open Forum Infectious Diseases·2019· 2 citedOpen Access
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)
Vaccine·2019· 40 citedOpen Access
Effectiveness of Influenza Vaccination on Hospitalizations and Risk Factors for Severe Outcomes in Hospitalized Patients With COPD
CHEST Journal·2019· 93 cited
1468. PCV13 Serotype Trends Over Time in Pneumococcal Community Acquired Pneumonia: Which Method(s) Work Best?
Open Forum Infectious Diseases·2018Open Access
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
Open Forum Infectious Diseases·2018Open Access
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
Open Forum Infectious Diseases·2018Open Access
1365 The incidence of community acquired pneumonia by occupation
2018Open Access
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)
Vaccine·2018· 62 cited
Case–control study of household contacts to examine immunological protection from<i>Bordetella pertussis</i>transmission — study protocol
CMAJ Open·2017· 1 citedOpen Access
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
BMC Infectious Diseases·2017· 23 citedOpen Access
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Frequent Co-authors

Shelly McNeil(33), Melissa K. Andrew(31), Todd F. Hatchette(31), May ElSherif(31), Guy Boivin(30), Allison McGeer(30), Sylvie Trottier(30), Louis Valiquette(30), Jason J. LeBlanc(29), Mark Loeb(29), Donna MacKinnon‐Cameron(29), Anne McCarthy(29), Lingyun Ye(28), Duncan Webster(28), Makeda Semret(27), William Bowie(26), Jennie Johnstone(24), Karen Green(23), Kevin Katz(18), Janet E. McElhaney(17)