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. 2021 Aug 25;23(8):e28716. doi: 10.2196/28716

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©Antony Chum, Andrew Nielsen, Zachary Bellows, Eddie Farrell, Pierre-Nicolas Durette, Juan M Banda, Gerald Cupchik. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 25.08.2021.

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 the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on https://www.jmir.org/, as well as this copyright and license information must be included.

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Predicted change in positive to negative sentiment ratio from day 0 to day 10 of a business closure period, varying by new COVID-19 case counts in Ontario (holding all other factors constant).