Concinol is Concinol Adenovirus Vector Vaccine. After receiving the Concinol Adenovirus Vector Vaccine for 6 months, people over 18 years of age currently require a booster shot, which is a one-dose booster immunization. After receiving the new crown vaccine, the body’s antibody level decreases over time, and the booster shot is used to rapidly increase the antibody level by increasing the number of doses of the vaccine. In accordance with national regulations, people over the age of 18 years need a booster dose of Conjugate Adenovirus Vector Vaccine after 6 months of vaccination, and the vaccine is still using Conjugate Adenovirus Vector Vaccine. Currently, the booster vaccination in China is only for the 3 whole virus inactivated vaccines and the Conjugate Adenovirus Vector Vaccine (CAVV). It is recommended that you consult with your local CDC or community health center about receiving a booster dose of the Conjugate Adenovirus Vector Vaccine.