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. 2022 Mar 31;2(1):e32449. doi: 10.2196/32449

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©Christopher Marshall, Kate Lanyi, Rhiannon Green, Georgina C Wilkins, Fiona Pearson, Dawn Craig. Originally published in JMIR Infodemiology (https://infodemiology.jmir.org), 31.03.2022.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Infodemiology, is properly cited. The complete bibliographic information, a link to the original publication on https://infodemiology.jmir.org/, as well as this copyright and license information must be included.

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Volume of tweets from July 23, 2020 to January 6, 2021. Key events during the study period included the (1) rule of 6 (up to 6 people from any number of households could meet indoors or outdoors), (2) tier system (regions across England were assigned a tier from 1 to 3 based on epidemiological indicators, and these tiers dictated the restrictions in that area, such as which businesses could open and how many individuals could meet in a group during national lockdown—nonessential businesses were closed and people were prohibited from meeting outside of their support bubble).