حسن برسم

Long COVID-19, also known as post-acute sequelae of SARS-CoV-2 infection (PASC), refers to a range of symptoms that persist beyond the acute phase of COVID-19, often lasting for months. Long COVID is an open medical problem that experts are trying to determine how many days or months the Long COVID period is. In this paper, we will fina a solution for this medical problem by using mathematical modeling.