“…To respond to people’s current and upcoming worries and concerns, it is of vital importance to predict the upcoming situation and make corresponding preparations, especially the public's knowledge reserve about COVID-19's early symptoms, treatment, and rehabilitation after infection with COVID-19 as well as drug reserve and supply channel, and demand-supply for online psychological counseling service. Despite the progress of research on short-term symptoms after the COVID-19 infection ( Liu et al, 2022 ), such as anxiety and depression, PTSD, fatigue, cardio-respiratory symptoms, etcetera, the long-term sequelae caused by COVID-19 remains exposure ( Tandon, 2022 ). After all, the epidemic has only occurred for about three years.…”