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. 2022 Jan 17;12:810. doi: 10.1038/s41598-021-03869-6

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© The Author(s) 2022

Open Access This 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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Analysis of self assessment. A simple user-level self-assessment has been deployed to enable the general population to perform self-assessment and identify the population at risk, which can be used as an effective screening. A higher trend for a positive COVID-19 report in people who reported cough was observed. The symptoms of the disease have been known to change with strains, hence this approach of crowdsourcing information provides an agile approach to screen patients with specific symptoms.