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. 2022 Aug 5;4:46. doi: 10.1186/s42238-022-00152-x

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Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — Outcomes and treatment in COVID patients stratified by admission date. Outcomes varied throughout the pandemic due to COVID surges. Cannabis users consistently had less severe disease course. Percentages displayed are the proportion of patients with admission dates within each quarter (Q). Q1: February 2020–May 2020. Q2: June 2020–August 2020. Q3: September 2020–November 2020. Q4: December 2020–February 2021