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. 2021 Dec 10;13(12):2470. doi: 10.3390/v13122470

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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(a–i) Acute hepatitis A cases by province in South Africa, 2020. Number of hepatitis A cases (blue line) in comparison with threshold (orange line), calculated using CuSum2 method.