A comparison of COVID-19 and post-COVID-19 syndrome among symptomatic and asymptomatic patients in Bangladesh: A retrospective cohort study.

Background: The differentiation between COVID-19 and post-COVID-19 syndromes is not properly defined as some patients remain asymptomatic for post-COVID-19. It can be characterized by several signs and symptoms. Risk factors related to post-COVID-19 remain unsolved.