Anhui Zhifei Xinkuan vaccine is a recombinant vaccine that requires three doses of the vaccine. If you have not received the third dose for more than 6 months, you can go to a vaccination center to receive the vaccine. Anhui Zhifei Xinkuan vaccine is a recombinant vaccine that requires three doses to produce a higher titer of antibody, which provides better protection for the body. If it has been more than 6 months since the third dose of Anhui Zhifei Xinkuan vaccine was administered, you can go to the vaccination center to receive the vaccine after removing any contraindications to vaccination. The interval between three doses of Anhui Zhifei Xinkuan vaccine is recommended to be 4 weeks or more between the first and second doses, and between the second and third doses, with the second dose to be completed as close as possible to 8 weeks after the first dose, and the third dose to be completed as close as possible to 6 months after the first dose. For Anhui Zhifei Xinguan vaccination, early vaccination is recommended under the guidance of the local CDC or the physician at the vaccination site.