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. 2021 Feb 1;21:257. doi: 10.1186/s12889-021-10183-3

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© The Author(s) 2021

Open AccessThis 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/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 2 — Reported and median-scenario estimated cumulative case of COVID-19 in Iran. (1) Ahmadi M2: Model 2, Von Bertalanffy (Curve lies behind MOHME reported) [44]. (2) Ghaffarzadegan S1P1: Seasonality conditions 1 (no effect or status quo) and Policy effect 2 (aggressive efforts to decrease contact rate by half of what it would be otherwise) [41]. (3) Haghdoost S2: Medium scenario, medium (32%) isolation [27]. (4) Moradi S2: Scenario 2, Case Fatality Rate, 0.5% [42]. (5) Cases CF 5: Reported cases with a Correction Factor of 5, after Dr. Rick Brennan, Director of Emergency Operations, World Health Organization [57]. (6) Cases CF 10: Reported cases with a Correction Factor of 10, after Russell [58]. (7) MOHME reported: Official reported cases via [4, 5]