Abstract: A lipid delivery system, a virus-like structure (VLS) vaccine constructed therefrom, and a lipid particle capable of encapsulating an mRNA molecule encoding a SARS-CoV-2-specific antigen are provided. After the lipid particle encapsulates an mRNA molecule encoding a SARS-CoV-2 antigen, a SARS-CoV-2 S1 antigen protein can be embedded on a surface of an envelope structure of the lipid under specific buffer conditions to produce a VLS vaccine with an antigen-encoding mRNA molecule encapsulated inside and an outer membrane presenting a required viral antigen protein. The vaccine has a superior specific antibody-inducing ability to a SARS-CoV-2 mRNA vaccine and a polypeptide vaccine, can maintain a long-lasting high antibody level, and can also exhibit excellent immune binding abilities for the emerging different variants.

Abstract: A device and method for managing internet of vehicles are disclosed. The device is applied in a first vehicle or a second vehicle, and when the device is applied in the first vehicle, the device includes: a first receiver configured to receive a traffic request signal for requesting traffic data of the first vehicle from a second vehicle; and a first transmitter connected to the first receiver and configured to send the traffic data corresponding to real-time traffic information acquired by a traveling recording device of the first vehicle to the second vehicle. When the device is applied in the second vehicle, the device includes: a second transmitter configured to send a traffic request signal for requesting traffic data from a second vehicle to the first vehicle; and a second receiver configured to receive traffic data returned from the first vehicle in response to the traffic request signal.