Legal analysis: COVID-19 vaccine does not need to be signed. Before vaccination, you should know about COVID-19's disease, COVID-19 vaccine and vaccination process in advance. When vaccinating, you need to bring relevant documents (ID card, passport, etc.). ), do personal protection according to local prevention and control requirements, cooperate with the on-site vaccination staff to ask, and truthfully provide information such as my health status and vaccination contraindications.

Legal basis: Article 5 of the Law of People's Republic of China (PRC) on the Prevention and Control of Infectious Diseases People's governments at all levels shall lead the prevention and control of infectious diseases. The people's governments at or above the county level shall formulate plans for the prevention and control of infectious diseases and organize their implementation, and establish and improve the disease prevention and control, medical treatment, supervision and management systems for the prevention and control of infectious diseases.