On WeChat platform, through a point-to-point connection, and carry on the questionnaire survey to collect information of liver transplant recipients followed-up by the department of Liver Surgery, Renji Hospital Shanghai Jiao Tong University. Questionnaire items including demographic characteristics, understanding of COVID-19, attitude toward COVID-19 vaccine. Patients meeting inclusion and exclusion criteria will be selected. Conduct statistical analysis to describe the incidence of adverse reactions related to COVID-19 vaccine after liver transplantation, and to compare and evaluate the factors leading to COVID-19 vaccine hesitancy.
On WeChat platform, through a point-to-point connection, and carry on the questionnaire survey to collect information of liver transplant recipients followed-up by the department of Liver Surgery, Renji Hospital Shanghai Jiao Tong University. Patients meeting inclusion and exclusion criteria will be selected. Conduct statistical analysis to describe the incidence of adverse reactions related to COVID-19 vaccine after liver transplantation, and to compare and evaluate the factors leading to COVID-19 vaccine hesitancy.