Tehran University of Medical Sciences Health Technology Assessment in Action 2645-3835 4 3 2021 06 09 55 55 Soheil Hassanipour Gastrointestinal and Liver Diseases Research Center, Guilan University of Medical Sciences, Rasht, Iran Farahnaz Joukar Gastrointestinal and Liver Diseases Research Center, Guilan University of Medical Sciences, Rasht, Iran Fariborz Mansour-Ghanaei Caspian Digestive Diseases Research Center, Guilan University of Medical Sciences, Rasht, Iran 2021 04 07 2021 04 13 COVID-19 is a new coronavirus began in 2019 in Wuhan, China, and soon spread worldwide. There are diffrent varieties of complications associated with the coronavirus. Depending on the onset, these complications may also be very rapid or emerge in the future https://htainaction.tums.ac.ir/index.php/hta/article/view/55 https://htainaction.tums.ac.ir/index.php/hta/article/download/55/37