1Department of Influenza and Other Respiratory Viruses, Pasteur Institute of Iran, P.O.Box: 1316943551, Tehran, Iran
2Department of Microbiology, Science and Research Branch, Islamic Azad University, Tehran, Iran
3Shefa Neuroscience Research Center, Khatam Alanbia Hospital, Tehran, Iran
4Department of Medical Virology, Tehran University of Medical Sciences, Tehran, Iran
5Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
© The Author(s) 2021
Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.
