When is the meningococcal vaccine given?

1, group A meningococcal vaccine: infants are vaccinated with two doses of 1 and 2 from June to1August, and the interval between the two doses should not be less than 3 months; Inoculate the third dose at the age of 3, and the interval between inoculation and the second dose shall not be less than 1 year; Inoculate the fourth dose at the age of 6, and the interval between the fourth dose and the third dose shall not be less than 3 years.

2. Group A+C meningococcal vaccine: the vaccination target is people over 2 years old; If 1 dose of group A meningococcal vaccine has been inoculated, the time interval between inoculation of group A+C meningococcal vaccine and inoculation of group A meningococcal vaccine shall not be less than 3 months; If there are two or more doses of group A meningococcal vaccine, the time interval between the vaccination of group A+C meningococcal vaccine and the final 1 dose of group A meningococcal vaccine shall not be less than 1 year; Inoculate group A+C meningococcal vaccine according to the above principles, and avoid repeated vaccination within 3 years.

3. According to the latest Expanded Immunization Plan, 4 doses of meningococcal vaccine, group A meningococcal vaccine 1 and 2 doses, and children aged 6 months to 1 and 2 doses of 1 and 2 doses are used as basic immunization, and the interval between the two doses is not less than 3 months; The third and fourth injections are used to strengthen immunity. The third injection is inoculated at the age of 3, and the interval between the third injection and the second injection is not less than 1 year. At the age of 6, the fourth dose was inoculated, and the interval between the fourth dose and the third dose was not less than 3 years.

4. The meningococcal vaccine is injected every year from 65438+February to 65438+ 10 to 10. After this period, you have to give it again the next year. Because the peak of epidemic cerebrospinal meningitis will definitely produce antibodies.