On January 30, 2020, the World Health Organization announced that the new corona virus, or Covid-19, is an epidemic health crisis of international concern [1]. On April 12, 2020, more than 1796298 people were infected with Covid 19 and more than 11026 deaths were registered in the world due to this disease. Iran was ranked eighth in this epidemic with 71686 patients and 4474 deaths.
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Published on: Sep 15, 2020 Pages: 141-142
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DOI: doi:10.17352/2455-2968.000116
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