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Percentage of excess deaths (compared to the background level) in the fall of 1398 SH (from September 23 to December 21, 2019), winter of 1398 SH (from December 22 to March 19, 2020), spring of 1399 SH (from March 20 to June 20, 2020), and summer of 1399 SH (from June 21 to September 21, 2020). The horizontal solid lines show the mean percentage of excess mortality in the fall (orange), winter (blue), spring (green), and summer (red).
