Your baby's first dose of A+C is a conjugate vaccine produced by Luoyi (Wuxi) Bio-pharmaceutical Co., Ltd., which was marketed at its own expense in August 2007, and the price is around 50 yuan. The suitable age is 6 months-15 years old, and the most suitable vaccination population is infants aged 6 months -2 years old. It can produce a good immune response.
The second dose of A+C is injected three months after the first dose of A+C, but if there is no such vaccine in the local area, the vaccination can be delayed after returning home. Generally, it is enough to finish the first two doses in 6- 18 months (but don't delay too long).
A+C mentioned by foreign doctors is an A+C polysaccharide vaccine produced by Lanzhou Institute of Biological Products, which is suitable for children and adults over 2 years old.