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Items: 1 to 50 of 206

1.

Exploring indirect protection associated with influenza immunization - A systematic review of the literature.

Friedman L, Renaud A, Hines D, Winter A, Bolotin S, Johnstone J, Kwong JC, McGeer AJ, Crowcroft NS, Warshawsky BF.

Vaccine. 2019 Nov 20;37(49):7213-7232. doi: 10.1016/j.vaccine.2019.09.086. Epub 2019 Oct 22. Review.

2.

A pre and post intervention study measuring the effect of interactive education on adolescent perceptions of vaccines, vaccine safety and disease risk.

Blanchard JL, Johnson C, McIntyre M, Crowcroft NS, McLellan A.

J Public Health (Oxf). 2019 Oct 11. pii: fdz089. doi: 10.1093/pubmed/fdz089. [Epub ahead of print]

PMID:
31608381
3.

Developing product label information to support evidence-informed use of vaccines in pregnancy.

Manca TA, Graham JE, Dubé È, Kervin M, Castillo E, Crowcroft NS, Fell DB, Hadskis M, Mannerfeldt JM, Greyson D, MacDonald NE, Top KA; Canadian Vaccine Product Monograph Working Group.

Vaccine. 2019 Nov 15;37(48):7138-7146. doi: 10.1016/j.vaccine.2019.09.063. Epub 2019 Oct 5.

4.

A nested case-control study measuring pertussis vaccine effectiveness and duration of protection in Manitoba, Canada, 1992-2015: A Canadian Immunization Research Network Study.

Wilkinson K, Righolt CH, Kwong JC, Schwartz KL, Russell ML, Crowcroft NS, Mahmud SM.

Vaccine. 2019 Nov 15;37(48):7132-7137. doi: 10.1016/j.vaccine.2019.09.064. Epub 2019 Sep 26.

PMID:
31564453
5.

Influenza Vaccine Effectiveness in Preventing Hospitalizations in Older Patients With Chronic Obstructive Pulmonary Disease.

Gershon AS, Chung H, Porter J, Campitelli MA, Buchan SA, Schwartz KL, Crowcroft NS, Campigotto A, Gubbay JB, Karnauchow T, Katz K, McGeer AJ, McNally JD, Richardson DC, Richardson SE, Rosella LC, Simor AE, Smieja M, Zahariadis G, Kwong JC.

J Infect Dis. 2019 Sep 24. pii: jiz419. doi: 10.1093/infdis/jiz419. [Epub ahead of print]

PMID:
31549165
6.

Pertussis vaccine is only modestly effective in adults: Another piece in the pertussis puzzle.

Crowcroft NS.

Clin Infect Dis. 2019 Aug 26. pii: ciz822. doi: 10.1093/cid/ciz822. [Epub ahead of print] No abstract available.

PMID:
31504298
7.

Influenza Vaccine Effectiveness Among Patients With Cancer: A Population-Based Study Using Health Administrative and Laboratory Testing Data From Ontario, Canada.

Blanchette PS, Chung H, Pritchard KI, Earle CC, Campitelli MA, Buchan SA, Schwartz KL, Crowcroft NS, Gubbay JB, Karnauchow T, Katz K, McGeer AJ, McNally JD, Richardson DC, Richardson SE, Rosella LC, Simor A, Smieja M, Zahariadis G, Campigotto A, Kwong JC.

J Clin Oncol. 2019 Oct 20;37(30):2795-2804. doi: 10.1200/JCO.19.00354. Epub 2019 Aug 29.

PMID:
31465264
8.

Letter to the editor: Measles outbreak in Gothenburg urban area, Sweden, 2017 to 2018: low viral load in breakthrough infections.

Bolotin S, Crowcroft NS, Hughes SL, De Serres G.

Euro Surveill. 2019 Jul;24(30). doi: 10.2807/1560-7917.ES.2019.24.30.1900465. No abstract available.

9.

Direct Medical Costs of 3 Reportable Travel-Related Infections in Ontario, Canada, 2012-2014.

Savage RD, Rosella LC, Crowcroft NS, Horn M, Khan K, Holder L, Varia M.

Emerg Infect Dis. 2019 Aug;25(8):1501-1510. doi: 10.3201/eid2508.190222.

10.

Measles outbreaks demand systems-level action locally, nationally and globally.

Crowcroft NS, Bolotin S.

CMAJ. 2019 Jul 15;191(28):E777-E778. doi: 10.1503/cmaj.190559. No abstract available.

PMID:
31308005
11.

Asymptomatic infection and transmission of pertussis in households: a systematic review.

Craig R, Kunkel E, Crowcroft NS, Fitzpatrick MC, de Melker H, Althouse BM, Merkel T, Scarpino SV, Koelle K, Friedman L, Arnold C, Bolotin S.

Clin Infect Dis. 2019 Jun 29. pii: ciz531. doi: 10.1093/cid/ciz531. [Epub ahead of print]

PMID:
31257450
12.

Can routinely collected laboratory and health administrative data be used to assess influenza vaccine effectiveness? Assessing the validity of the Flu and Other Respiratory Viruses Research (FOREVER) Cohort.

Kwong JC, Buchan SA, Chung H, Campitelli MA, Schwartz KL, Crowcroft NS, Jackson ML, Karnauchow T, Katz K, McGeer AJ, McNally JD, Richardson DC, Richardson SE, Rosella LC, Simor A, Smieja M, Zahariadis G, Campigotto A, Gubbay JB.

Vaccine. 2019 Jul 18;37(31):4392-4400. doi: 10.1016/j.vaccine.2019.06.011. Epub 2019 Jun 17.

13.

Calibration and Evaluation of Quantitative Antibody Titers for Varicella-Zoster Virus by Use of the BioPlex 2200.

McLachlan E, Scholz H, Bolotin S, Crowcroft NS, Hatchette TF, Jackson C, Severini A; Immunity of Canadians and Risk of Epidemics (iCARE) Laboratory Group and the Canadian Immunization Research Network (CIRN).

J Clin Microbiol. 2019 Jul 26;57(8). pii: e00296-19. doi: 10.1128/JCM.00296-19. Print 2019 Aug.

14.

Acellular pertussis vaccine effectiveness and waning immunity in Alberta, Canada: 2010-2015, a Canadian Immunization Research Network (CIRN) study.

Bell CA, Russell ML, Drews SJ, Simmonds KA, Svenson LW, Schwartz KL, Kwong JC, Mahmud SM, Crowcroft NS.

Vaccine. 2019 Jul 9;37(30):4140-4146. doi: 10.1016/j.vaccine.2019.05.067. Epub 2019 Jun 1.

PMID:
31164304
15.

Is the global measles resurgence a "public health emergency of international concern"?

Durrheim DN, Crowcroft NS, Blumberg LH.

Int J Infect Dis. 2019 Jun;83:95-97. doi: 10.1016/j.ijid.2019.04.016. Epub 2019 May 2. No abstract available.

16.

Characteristics of immunized and un-immunized students, including non-medical exemptions, in Ontario, Canada: 2016-2017 school year.

Wilson SE, Murray J, Bunko A, Johnson S, Buchan SA, Crowcroft NS, Dubey V, Loh LC, MacLeod M, Taylor C, Deeks SL.

Vaccine. 2019 May 21;37(23):3123-3132. doi: 10.1016/j.vaccine.2019.04.033. Epub 2019 Apr 24.

17.

Pertussis vaccine effectiveness in a frequency matched population-based case-control Canadian Immunization Research Network study in Ontario, Canada 2009-2015.

Crowcroft NS, Schwartz KL, Chen C, Johnson C, Li Y, Marchand-Austin A, Bolotin S, Jamieson FB, Drews SJ, Russell ML, Svenson LW, Simmonds K, Mahmud SM, Kwong JC.

Vaccine. 2019 May 1;37(19):2617-2623. doi: 10.1016/j.vaccine.2019.02.047. Epub 2019 Apr 6.

18.

Cost-effectiveness of measles control during elimination in Ontario, Canada, 2015.

Ramsay LC, Crowcroft NS, Thomas S, Aruffo E, Teslya A, Heffernan JM, Gournis E, Hiebert J, Jaeger V, Jiaravuthisan M, Sharron J, Severini A, Deeks SL, Gubbay J, Mazzulli T, Sander B.

Euro Surveill. 2019 Mar;24(11). doi: 10.2807/1560-7917.ES.2019.24.11.1800370.

19.

Characteristics and Outcomes of Young Children Hospitalized With Laboratory-confirmed Influenza or Respiratory Syncytial Virus in Ontario, Canada, 2009-2014.

Buchan SA, Chung H, Karnauchow T, McNally JD, Campitelli MA, Gubbay JB, Katz K, McGeer AJ, Richardson DC, Richardson SE, Simor A, Smieja M, Zahariadis G, Tran D, Crowcroft NS, Rosella LC, Kwong JC.

Pediatr Infect Dis J. 2019 Apr;38(4):362-369. doi: 10.1097/INF.0000000000002164.

PMID:
30882725
20.

Equity and impact: Ontario's infant rotavirus immunization program five years following implementation. A population-based cohort study.

Wilson SE, Rosella LC, Wang J, Renaud A, Le Saux N, Crowcroft NS, Desai S, Harris T, Bolotin S, Gubbay J, Deeks SL.

Vaccine. 2019 Apr 17;37(17):2408-2414. doi: 10.1016/j.vaccine.2019.01.061. Epub 2019 Feb 11.

21.

Demonstration of background rates of three conditions of interest for vaccine safety surveillance.

Wormsbecker AE, Johnson C, Bourns L, Harris T, Crowcroft NS, Deeks SL.

PLoS One. 2019 Jan 15;14(1):e0210833. doi: 10.1371/journal.pone.0210833. eCollection 2019.

22.

A framework for research on vaccine effectiveness.

Crowcroft NS, Klein NP.

Vaccine. 2018 Nov 19;36(48):7286-7293. doi: 10.1016/j.vaccine.2018.04.016. Epub 2018 Oct 26. Review.

23.

Vaccination Against Influenza in Pregnancy: A Survey of Canadian Maternity Care Providers.

Dubé E, Gagnon D, Kaminsky K, Green CR, Ouakki M, Bettinger JA, Brousseau N, Castillo E, Crowcroft NS, Driedger SM, Greyson D, Fell D, Fisher W, Gagneur A, Guay M, Halperin D, Halperin SA, MacDonald S, Meyer SB, Waite NM, Wilson K, Witteman HO, Yudin M, Cook JL; Canadian Immunization Network.

J Obstet Gynaecol Can. 2019 Apr;41(4):479-488. doi: 10.1016/j.jogc.2018.09.007. Epub 2018 Nov 6.

PMID:
30409569
24.

Accuracy of health administrative data to identify cases of reportable travel or migration-related infectious diseases in Ontario, Canada.

Savage RD, Rosella LC, Crowcroft NS, Horn M, Khan K, Varia M.

PLoS One. 2018 Nov 7;13(11):e0207030. doi: 10.1371/journal.pone.0207030. eCollection 2018.

25.

User-Driven Comments on a Facebook Advertisement Recruiting Canadian Parents in a Study on Immunization: Content Analysis.

Tustin JL, Crowcroft NS, Gesink D, Johnson I, Keelan J, Lachapelle B.

JMIR Public Health Surveill. 2018 Sep 20;4(3):e10090. doi: 10.2196/10090.

26.

The burden of infant group B streptococcal infections in Ontario: Analysis of administrative data to estimate the potential benefits of new vaccines.

Hartley J, Li Y, Kunkel L, Crowcroft NS.

Hum Vaccin Immunother. 2019;15(1):193-202. doi: 10.1080/21645515.2018.1511666. Epub 2018 Sep 14.

27.

Effectiveness of Live Attenuated vs Inactivated Influenza Vaccines in Children During the 2012-2013 Through 2015-2016 Influenza Seasons in Alberta, Canada: A Canadian Immunization Research Network (CIRN) Study.

Buchan SA, Booth S, Scott AN, Simmonds KA, Svenson LW, Drews SJ, Russell ML, Crowcroft NS, Loeb M, Warshawsky BF, Kwong JC.

JAMA Pediatr. 2018 Sep 1;172(9):e181514. doi: 10.1001/jamapediatrics.2018.1514. Epub 2018 Sep 4.

28.

Public health responses during measles outbreaks in elimination settings: Strategies and challenges.

Gastañaduy PA, Banerjee E, DeBolt C, Bravo-Alcántara P, Samad SA, Pastor D, Rota PA, Patel M, Crowcroft NS, Durrheim DN.

Hum Vaccin Immunother. 2018;14(9):2222-2238. doi: 10.1080/21645515.2018.1474310. Epub 2018 Jul 11. Review.

29.

Under-reporting of pertussis in Ontario: A Canadian Immunization Research Network (CIRN) study using capture-recapture.

Crowcroft NS, Johnson C, Chen C, Li Y, Marchand-Austin A, Bolotin S, Schwartz K, Deeks SL, Jamieson F, Drews S, Russell ML, Svenson LW, Simmonds K, Mahmud SM, Kwong JC.

PLoS One. 2018 May 2;13(5):e0195984. doi: 10.1371/journal.pone.0195984. eCollection 2018.

30.

Rotavirus vaccine coverage and factors associated with uptake using linked data: Ontario, Canada.

Wilson SE, Chung H, Schwartz KL, Guttmann A, Deeks SL, Kwong JC, Crowcroft NS, Wing L, Tu K.

PLoS One. 2018 Feb 14;13(2):e0192809. doi: 10.1371/journal.pone.0192809. eCollection 2018.

31.

T-cell receptor excision circle levels and safety of paediatric immunization: A population-based self-controlled case series analysis.

Wilson K, Duque DR, Murphy MSQ, Hawken S, Pham-Huy A, Kwong J, Deeks SL, Potter BK, Crowcroft NS, Bulman DE, Chakraborty P, Little J.

Hum Vaccin Immunother. 2018 Jun 3;14(6):1378-1391. doi: 10.1080/21645515.2018.1433971. Epub 2018 Feb 26.

32.

Waning of measles maternal antibody in infants in measles elimination settings - A systematic literature review.

Guerra FM, Crowcroft NS, Friedman L, Deeks SL, Halperin SA, Severini A, Hatchette TF, Bolotin S; Immunity of Canadians and Risk of Epidemics (iCARE) Network.

Vaccine. 2018 Feb 28;36(10):1248-1255. doi: 10.1016/j.vaccine.2018.01.002. Epub 2018 Feb 2. Review.

PMID:
29398276
33.

Acute Myocardial Infarction after Laboratory-Confirmed Influenza Infection.

Kwong JC, Schwartz KL, Campitelli MA, Chung H, Crowcroft NS, Karnauchow T, Katz K, Ko DT, McGeer AJ, McNally D, Richardson DC, Rosella LC, Simor A, Smieja M, Zahariadis G, Gubbay JB.

N Engl J Med. 2018 Jan 25;378(4):345-353. doi: 10.1056/NEJMoa1702090.

34.

Internet Exposure Associated With Canadian Parents' Perception of Risk on Childhood Immunization: Cross-Sectional Study.

Tustin JL, Crowcroft NS, Gesink D, Johnson I, Keelan J.

JMIR Public Health Surveill. 2018 Jan 19;4(1):e7. doi: 10.2196/publichealth.8921.

35.

Case-control study of household contacts to examine immunological protection from Bordetella pertussis transmission - study protocol.

Bolotin S, Johnson C, Quach S, Ambrose A, DeCoutere S, Deeks SL, Drews S, Faheem A, Green K, Halperin SA, Hoang L, Jamieson F, Kollmann T, Marchand-Austin A, McCormack D, McGeer A, Murti M, Bba AO, Rebbapragada A, Vanderkooi OG, Wang J, Warshawsky B, Crowcroft NS; Canadian Immunization Research Network Provincial Collaborative Network.

CMAJ Open. 2017 Dec 19;5(4):E872-E877. doi: 10.9778/cmajo.20170072.

36.

The price of delaying measles eradication.

Durrheim DN, Crowcroft NS.

Lancet Public Health. 2017 Mar;2(3):e130-e131. doi: 10.1016/S2468-2667(17)30026-9. Epub 2017 Mar 6. No abstract available.

37.

How Can We Keep Immigrant Travelers Healthy? Health Challenges Experienced by Canadian South Asian Travelers Visiting Friends and Relatives.

Savage RD, Rosella LC, Crowcroft NS, Arneja J, de Villa E, Horn M, Khan K, Varia M.

Qual Health Res. 2018 Mar;28(4):610-623. doi: 10.1177/1049732317746381. Epub 2017 Dec 14.

PMID:
29239271
38.

Vaccine effectiveness against laboratory-confirmed influenza hospitalizations among young children during the 2010-11 to 2013-14 influenza seasons in Ontario, Canada.

Buchan SA, Chung H, Campitelli MA, Crowcroft NS, Gubbay JB, Karnauchow T, Katz K, McGeer AJ, McNally JD, Richardson D, Richardson SE, Rosella LC, Simor A, Smieja M, Tran D, Zahariadis G, Kwong JC.

PLoS One. 2017 Nov 17;12(11):e0187834. doi: 10.1371/journal.pone.0187834. eCollection 2017.

39.

The basic reproduction number (R0) of measles: a systematic review.

Guerra FM, Bolotin S, Lim G, Heffernan J, Deeks SL, Li Y, Crowcroft NS.

Lancet Infect Dis. 2017 Dec;17(12):e420-e428. doi: 10.1016/S1473-3099(17)30307-9. Epub 2017 Jul 27. Review.

PMID:
28757186
40.

Facebook Recruitment of Vaccine-Hesitant Canadian Parents: Cross-Sectional Study.

Tustin JL, Crowcroft NS, Gesink D, Johnson I, Keelan J, Lachapelle B.

JMIR Public Health Surveill. 2017 Jul 24;3(3):e47. doi: 10.2196/publichealth.6870.

41.

Methods used for immunization coverage assessment in Canada, a Canadian Immunization Research Network (CIRN) study.

Wilson SE, Quach S, MacDonald SE, Naus M, Deeks SL, Crowcroft NS, Mahmud SM, Tran D, Kwong J, Tu K, Gilbert NL, Johnson C, Desai S.

Hum Vaccin Immunother. 2017 Aug 3;13(8):1928-1936. doi: 10.1080/21645515.2017.1319022. Epub 2017 Jul 14.

42.

How well do ICD-9 physician claim diagnostic codes identify confirmed pertussis cases in Alberta, Canada? A Canadian Immunization Research Network (CIRN) Study.

Fathima S, Simmonds KA, Drews SJ, Svenson LW, Kwong JC, Mahmud SM, Quach S, Johnson C, Schwartz KL, Crowcroft NS, Russell ML; Canadian Immunization Research Network (CIRN) Provincial Collaborative Network Vaccine Effectiveness Working Group.

BMC Health Serv Res. 2017 Jul 12;17(1):479. doi: 10.1186/s12913-017-2321-1.

43.

Measles Outbreak with Unique Virus Genotyping, Ontario, Canada, 2015.

Thomas S, Hiebert J, Gubbay JB, Gournis E, Sharron J, Severini A, Jiaravuthisan M, Shane A, Jaeger V, Crowcroft NS, Fediurek J, Sander B, Mazzulli T, Schulz H, Deeks SL.

Emerg Infect Dis. 2017 Jul;23(7):1063-1069. doi: 10.3201/eid2307.161145.

44.

Registries: An essential tool for maximising the health benefits of immunisation in the 21st century.

Crowcroft NS, Levy-Bruhl D.

Euro Surveill. 2017 Apr 27;22(17). pii: 30523. doi: 10.2807/1560-7917.ES.2017.22.17.30523. No abstract available.

45.

On doing the right science.

Crowcroft NS.

Hum Vaccin Immunother. 2017 Apr 3;13(4):741-743. doi: 10.1080/21645515.2017.1293948. Epub 2017 Mar 24. No abstract available.

46.

Immunization information systems in Canada: Attributes, functionality, strengths and challenges. A Canadian Immunization Research Network study.

Wilson SE, Quach S, MacDonald SE, Naus M, Deeks SL, Crowcroft NS, Mahmud SM, Tran D, Kwong JC, Tu K, Johnson C, Desai S.

Can J Public Health. 2017 Mar 1;107(6):e575-e582. doi: 10.17269/cjph.107.5679.

PMID:
28252378
47.

Short-Read Whole-Genome Sequencing for Laboratory-Based Surveillance of Bordetella pertussis.

Marchand-Austin A, Tsang RSW, Guthrie JL, Ma JH, Lim GH, Crowcroft NS, Deeks SL, Farrell DJ, Jamieson FB.

J Clin Microbiol. 2017 May;55(5):1446-1453. doi: 10.1128/JCM.02436-16. Epub 2017 Feb 22.

48.

Evaluation of the ability of standardized supports to improve public health response to syndromic surveillance for respiratory diseases in Canada.

Rivera LA, Li Y, Savage RD, Crowcroft NS, Bolotin S, Rosella LC, Lou W, Hopkins J, Gemmill I, Johnson I.

BMC Public Health. 2017 Feb 15;17(1):199. doi: 10.1186/s12889-017-4073-6.

49.

Calibration and Evaluation of Quantitative Antibody Titers for Measles Virus by Using the BioPlex 2200.

Hatchette TF, Scholz H, Bolotin S, Crowcroft NS, Jackson C, McLachlan E, Severini A.

Clin Vaccine Immunol. 2017 Jan 5;24(1). pii: e00269-16. doi: 10.1128/CVI.00269-16. Print 2017 Jan.

50.

Assessing the risk of intussusception and rotavirus vaccine safety in Canada.

Hawken S, Ducharme R, Rosella LC, Benchimol EI, Langley JM, Wilson K, Crowcroft NS, Halperin SA, Desai S, Naus M, Sanford CJ, Mahmud SM, Deeks SL.

Hum Vaccin Immunother. 2017 Mar 4;13(3):703-710. doi: 10.1080/21645515.2016.1240846. Epub 2016 Nov 11.

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