Table of Contents

June 20, 2022; Volume 194,Issue 24

Research

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Bodychecking experience and rates of injury among ice hockey players aged 15–17 years
Paul H. Eliason, Brent E. Hagel, Luz Palacios-Derflingher, Vineetha Warriyar, Stephan Bonfield, Amanda M. Black, Martin Mrazik, Constance Lebrun and Carolyn A. Emery

CMAJ June 20, 2022 194 (24) E834-E842; DOI: https://doi.org/10.1503/cmaj.211718

Practice

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Five things to know about …: The monkeypox virus
Sheliza Halani, Sharmistha Mishra and Isaac I. Bogoch

CMAJ June 20, 2022 194 (24) E844; DOI: https://doi.org/10.1503/cmaj.220795
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Five things to know about …: Vitamin B₁₂ deficiency
William K. Silverstein, Matthew C. Cheung and Yulia Lin

CMAJ June 20, 2022 194 (24) E843; DOI: https://doi.org/10.1503/cmaj.220306
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Clinical Images: Costochondral gout
Yuichi Yoshida, Yukinori Harada and Taro Shimizu

CMAJ June 20, 2022 194 (24) E845; DOI: https://doi.org/10.1503/cmaj.220216

News

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The evolving picture of long COVID
Diana Duong

CMAJ June 20, 2022 194 (24) E850-E851; DOI: https://doi.org/10.1503/cmaj.1096004

Letters

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Study authors don’t consider waning SARS-CoV-2 immunity after vaccination in their model
James C. Doidge, Alex de Figueiredo, Trudo Lemmens and Kevin Bardosh

CMAJ June 20, 2022 194 (24) E847; DOI: https://doi.org/10.1503/cmaj.127321-l
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Error in key model input
Richard Schabas

CMAJ June 20, 2022 194 (24) E846; DOI: https://doi.org/10.1503/cmaj.130898-l
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The authors respond to criticisms of their model parameters
David Fisman, Ashleigh Tuite and Afia Amoako

CMAJ June 20, 2022 194 (24) E848; DOI: https://doi.org/10.1503/cmaj.146427-l

Correction

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Correction to “Excess mortality, COVID-19 and health care systems in Canada”
CMAJ June 20, 2022 194 (24) E849; DOI: https://doi.org/10.1503/cmaj.220842