This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1002/jmv.26401. This article is protected by copyright. All rights reserved. Accepted Article Amir Azimian ORCID iD: 0000-0002-2532-8198 Report of death in children with SARS-CoV-2 and Human metapneumovirus (hMPV) co-infection: is hMPV the trigger? Seyed Ahmad Hashemi 1 MD , Saghar Safamanesh 2 MSc , Hamed Ghasemzadeh-Moghaddam 2 Ph.D., Majid Ghafouri 1 MD, Mina Sadat Mohajer Zadeh-Heydari 3 MD, Hasan Namdar Ahmad Abad 2 Ph.D., Azimian Amir 2* PhD 1-Department of Infectious Diseases, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran. 2-Department of Pathobiology and Laboratory Sciences, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran. 3-Department of Radiology, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran. * Corresponding author: Dr. Amir Azimian, PhD Address: Department of Pathobiology, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran. Tel: +985832239869 Fax: +985832237076 E-mail: amir_azimian2003@yahoo.com Short title: death in children with SARS-CoV-2 and hMPV co-infection Abstract In the last month of 2019, a new virus called SARS-CoV-2 was discovered in Wuhan, China. This virus causes a wide range of symptoms, and respiratory tract illness is the most common disorder. To investigate the presence of other respiratory viruses, we