Adverse Events following 12 and 18 Month Vaccinations: a Population-Based, Self-Controlled Case Series Analysis

• Kumanan Wilson ,

  * E-mail: kwilson@ohri.ca

  Affiliations Department of Medicine, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada, ,Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada, Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Canada, Newborn Screening Ontario, Children's Hospital of Eastern Ontario, Ottawa, Canada

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• Steven Hawken,

  Affiliation ,Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada

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• Jeffrey C. Kwong,

  Affiliation Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada

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• Shelley Deeks,

  Affiliation Ontario Agency for Health Protection and Promotion, Toronto, Ontario, Canada

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• Natasha S. Crowcroft,

  Affiliation Ontario Agency for Health Protection and Promotion, Toronto, Ontario, Canada

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• Carl Van Walraven,

  Affiliations Department of Medicine, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada, ,Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada, Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Canada

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• Beth K. Potter,

  Affiliations ,Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada, Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Canada

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• Pranesh Chakraborty,

  Affiliations Newborn Screening Ontario, Children's Hospital of Eastern Ontario, Ottawa, Canada, Department of Pediatrics, University of Ottawa, Ottawa, Canada

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• Jennifer Keelan,

  Affiliation Dalla Lana School of Public Health, University of Toronto, Toronto, Canada

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• Michael Pluscauskas,

  Affiliation Newborn Screening Ontario, Children's Hospital of Eastern Ontario, Ottawa, Canada

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• Doug Manuel

  Affiliations ,Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada, Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Canada, Department of Family Medicine, University of Ottawa, Ottawa, Canada

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