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. 2021 Feb 19;17(7):2216–2224. doi: 10.1080/21645515.2020.1871572

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© 2021 GlaxoSmithKline Biologicals SA. Published with license by Taylor & Francis Group, LLC.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — Mass gathering and over-crowding settings in India.⁴⁶^,⁴⁷