Natasha Crowcroft

Research

Data Linkage Immunization Maternal And Child Health Perinatal Epidemiology Pertussis Population Health

Latest papers

Assessing measles immunity in individuals of childbearing age in Toronto, Ontario, Canada.
The Journal of infection · 2026
Trends and characteristics of Tdap vaccination during pregnancy in Ontario, Canada: a retrospective cohort study.
CMAJ open · 2022
Obstetric and perinatal health outcomes after pertussis vaccination during pregnancy in Ontario, Canada: a retrospective cohort study.
CMAJ open · 2021

All 4 publications

Latest funding

Impact of maternal pertussis immunization on pregnancy outcome and child health
CIHR · 2018 · Principal investigator
$336,600
Impact of maternal pertussis immunization on pregnancy outcome and child health
CIHR · 2018 · Principal investigator
$100,170
HPV knowledge, attitudes & beliefs: Informing the development of a digital education tool for newcomers
CIHR · 2017 · Co-investigator
$200,000

All 4 grants and awards

4 publications.

01

Assessing measles immunity in individuals of childbearing age in Toronto, Ontario, Canada.

Osman S, Science M, McLachlan E, Severini A, Arnold C, Petel D, Hatchette T, Deeks S, Halperin SA, Wright J, Brown K, Richardson S, Campigotto A, Crowcroft N, Bolotin S

The Journal of infection2026

DOI: 10.1016/j.jinf.2026.106701 PMID: 41692289

02

Trends and characteristics of Tdap vaccination during pregnancy in Ontario, Canada: a retrospective cohort study.

Fakhraei R, Fung SG, Petrcich W, Crowcroft N, Bolotin S, Gaudet L, Amirthalingam G, Biringer A, Wilson K, Dubey V, Halperin SA, Jamieson F, Kwong JC, Sadarangani M, Cook J, Hawken S, Walker MC, Fell DB

CMAJ open2022

DOI: 10.9778/cmajo.20220058 PMID: 36735222

03

Obstetric and perinatal health outcomes after pertussis vaccination during pregnancy in Ontario, Canada: a retrospective cohort study.

Fakhraei R, Crowcroft N, Bolotin S, Sucha E, Hawken S, Wilson K, Gaudet L, Amirthalingam G, Biringer A, Cook J, Dubey V, Halperin SA, Jamieson F, Kwong JC, Sadarangani M, Walker MC, Laverty M, Fell DB

CMAJ open2021

DOI: 10.9778/cmajo.20200239 PMID: 33849984

04

Patterns of emergency room visits, admissions and death following recommended pediatric vaccinations - a population based study of 969,519 vaccination events.

Wilson K, Hawken S, Potter BK, Chakraborty P, Kwong J, Crowcroft N, Rothwell D, Manuel D

Vaccine2011

DOI: 10.1016/j.vaccine.2011.03.044 PMID: 21443964

Impact of maternal pertussis immunization on pregnancy outcome and child health

Principal investigatorCIHR2018Project Grant

Principal investigators: Fell, Deshayne B; Bolotin, Shelly; Crowcroft, Natasha S

Keywords: Data Linkage; Immunization; Maternal And Child Health; Perinatal Epidemiology; Pertussis; Population Health

$336,600

Impact of maternal pertussis immunization on pregnancy outcome and child health

Principal investigatorCIHR2018Operating Grant: ECI grants in MRC&Y Health - Infection and Immunity

Principal investigators: Fell, Deshayne B; Bolotin, Shelly; Crowcroft, Natasha S

Keywords: Data Linkage; Immunization; Maternal And Child Health; Perinatal Epidemiology; Pertussis; Population Health

$100,170

HPV knowledge, attitudes & beliefs: Informing the development of a digital education tool for newcomers

Co-investigatorCIHR2017Catalyst Grant: HPV Screening & Vaccination in Underserved Populations

Principal investigators: Wilson, Kumanan

Keywords: Attitudes And Beliefs; Newcomers; Qualitative Methods; Vaccination

$200,000

Understanding the publics' response to the H1N1 vaccine

Co-investigatorCIHR2010Operating Grant: Health Systems Research on H1N1

Principal investigators: Wilson, Kumanan

Keywords: Public Attitudes; Qualitative Research; Survey; Systematic Review; Vaccine

$96,851

From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.

Frequent collaborators

Pediatrics
Obstetrics and Gynecology
Department of Medicine
Epidemiology Division
School of Epidemiology and Public Health
Medicine
Clinical Public Health Division
Other

1 shared papers, latest 2011

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Subject: Prospective PhD student: Data Linkage Dear Professor Crowcroft, My name is [your name], and I am a [your current degree or role] at [your institution]. I am applying for a PhD position starting in [term and year]. I read your paper "Assessing measles immunity in individuals of childbearing age in Toronto, Ontario, Canada." (2026), and it connects closely to my own work on [your research topic]. [One or two sentences on what you did and what you learned.] Are you accepting new PhD students for [term and year]? I have attached my CV and transcripts, and I would be glad to talk at a time that suits you. Thank you for your time. Kind regards, [your name]