key: cord-0703610-dfma5kqc authors: Badshah, Syed Lal; Ullah, Asad; Badshah, Syed Hilal; Ahmad, Irshad title: Spread of Novel Coronavirus by Returning Pilgrims from Iran to Pakistan date: 2020-04-09 journal: J Travel Med DOI: 10.1093/jtm/taaa044 sha: c92fc6b61d19ef5c07fc5129845935af518c3d74 doc_id: 703610 cord_uid: dfma5kqc nan Iran was initially reluctant to close its borders with its neighbors as religious tourism is a big part of its revenue generation and the international community has already imposed economic sanctions over it due to its nuclear program. 3 Every year approximately 0.7 million Shia sect Muslims from Pakistan visit for a pilgrimage to various shrines in the cities of Iran that include Qom, Tehran, Tabriz, and Mashhad. It has been estimated that there are over eight thousand sacred sites in Iran alone and every year around eight million foreigners visit these shrines ( Figure 1 ). The pilgrimage mostly includes visits to cities like Karbala, Najaf, Kufa, Samara, and Baghdad in Iraq and several places in Damascus in Syria. These religious visits peak around the birth and death anniversaries of various religious leaders. Besides these specific anniversaries, the early spring season is a favorable time for the pilgrimage to these holy Estimation of Coronavirus Disease 2019 (COVID-19) Burden and Potential for International Dissemination of Infection From Iran COVID-19 battle during the toughest sanctions against Iran Isolation, quarantine, social distancing and community containment: pivotal role for old-style public health measures in the novel coronavirus (2019-nCoV) outbreak The positive impact of lockdown in Wuhan on containing the COVID-19 outbreak in China The authors declared no conflict of interest. No funding was utilized for this work.