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Effectiveness of BNT162b2 and mRNA-1273 covid-19 vaccines against symptomatic SARS-CoV-2 infection and severe covid-19 outcomes in Ontario, Canada: test negative design study.
Chung H, He S, Nasreen S, Sundaram ME, Buchan SA, Wilson SE, Chen B, Calzavara A, Fell DB, Austin PC, Wilson K, Schwartz KL, Brown KA, Gubbay JB, Basta NE, Mahmud SM, Righolt CH, Svenson LW, MacDonald SE, Janjua NZ, Tadrous M, Kwong JC; Canadian Immunization Research Network (CIRN) Provincial Collaborative Network (PCN) Investigators. Chung H, et al. Among authors: schwartz kl. BMJ. 2021 Aug 20;374:n1943. doi: 10.1136/bmj.n1943. BMJ. 2021. PMID: 34417165 Free PMC article.
Local public health response to vaccine-associated measles: case report.
Hau M, Schwartz KL, Frenette C, Mogck I, Gubbay JB, Severini A, Hiebert J, Deeks SL, Morris SK. Hau M, et al. Among authors: schwartz kl. BMC Public Health. 2013 Mar 25;13:269. doi: 10.1186/1471-2458-13-269. BMC Public Health. 2013. PMID: 23531102 Free PMC article.
Validation of infant immunization billing codes in administrative data.
Schwartz KL, Tu K, Wing L, Campitelli MA, Crowcroft NS, Deeks SL, Wilson SE, Wilson K, Gemmill I, Kwong JC. Schwartz KL, et al. Hum Vaccin Immunother. 2015;11(7):1840-7. doi: 10.1080/21645515.2015.1043499. Hum Vaccin Immunother. 2015. PMID: 26075651 Free PMC article.
Effectiveness of pertussis vaccination and duration of immunity.
Schwartz KL, Kwong JC, Deeks SL, Campitelli MA, Jamieson FB, Marchand-Austin A, Stukel TA, Rosella L, Daneman N, Bolotin S, Drews SJ, Rilkoff H, Crowcroft NS. Schwartz KL, et al. CMAJ. 2016 Nov 1;188(16):E399-E406. doi: 10.1503/cmaj.160193. Epub 2016 Sep 26. CMAJ. 2016. PMID: 27672225 Free PMC article.
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. Fathima S, et al. Among authors: schwartz kl. BMC Health Serv Res. 2017 Jul 12;17(1):479. doi: 10.1186/s12913-017-2321-1. BMC Health Serv Res. 2017. PMID: 28701222 Free PMC article.
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. Kwong JC, et al. Among authors: schwartz kl. N Engl J Med. 2018 Jan 25;378(4):345-353. doi: 10.1056/NEJMoa1702090. N Engl J Med. 2018. PMID: 29365305 Free article.
203 results