Tehran University of Medical Sciences Iranian Journal of Public Health 2251-6085 48 8 2019 07 18 1528 1531 Meysam SHARIFDINI Department of Medical Parasitology and Mycology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran Elham HAJIALILO Department of Parasitology and Mycology, School of Medicine, Qazvin University of Medical Sciences, Qazvin, Iran AND Student Research Committee, Qazvin University of Medical Sciences, Qazvin, Iran Laleh GHANBARZADEH Department of Parasitology and Mycology, School of Medicine, Qazvin University of Medical Sciences, Qazvin, Iran AND Student Research Committee, Qazvin University of Medical Sciences, Qazvin, Iran Mehrzad SARAEI Department of Parasitology and Mycology, School of Medicine, Qazvin University of Medical Sciences, Qazvin, Iran AND Cellular and Molecular Research Center, Qazvin University of Medical Sciences, Qazvin, Iran 2019 07 18 We report a human case of Hymenolepis diminuta infection in Guilan Province, northern part of Iran in 2017. The patient was a 15-month-old boy with gastrointestinal symptoms. In stool examination, eggs of H. diminuta was found based on morphological characteristic. The infant was successfully treated with a single oral dose of praziquantel, and then completely recovered. For the first time, we report human infection with this species in north of Iran.     https://ijph.tums.ac.ir/index.php/ijph/article/view/17828 https://ijph.tums.ac.ir/index.php/ijph/article/download/17828/6482