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Background: The Islamic Republic of Iran is one of the most important endemic foci of cutaneous leishmaniasis in the world. Annually, a large number of Iranian Shia pilgrims travel to Iraq from this area in order to participate in one of their most important religious ceremonies. This trip has coincided with the seasonal activity of sand flies in recent years. So, cutaneous leishmaniasis could be a serious threat for pilgrims on these trips., Aims: To report cases of cutaneous leishmaniasis among Iranian Shia pilgrims attending a religious ceremony in Iraq during 2017., Methods: Sixteen patients were referred to our laboratory in the Department of Parasitology and Mycology at Qazvin University of Medical Sciences. Dermal scrapings and stained slides prepared of skin lesions were used to morphological diagnosis. DNA extraction and PCR amplification were optimized to identification of Leishmania species., Results: All of the patients were infected with cutaneous leishmaniasis in microscopic survey. L. major was detected by molecular approach. The number of lesions observed in patients were 1 (31%), 2 (25%), and ≥ 3 (44%)., Conclusions: Since a large number of Shia Muslims participate in the annual religious ceremonies, serious measures must be taken to prevent the disease., (Copyright © World Health Organization (WHO) 2021. Open Access. Some rights reserved. This work is available under the CC BY-NC-SA 3.0 IGO license (https://creativecommons.org/licenses/by-nc-sa/3.0/igo).)