Recommended Vaccines for an 11-Year-Old
An 11-year-old should receive the Tdap (tetanus, diphtheria, acellular pertussis) vaccine and meningococcal conjugate vaccine (MCV4) as the primary recommended vaccines, with additional vaccines such as HPV, varicella (if not previously infected), and annual influenza vaccine depending on vaccination history and risk factors. 1
Core Vaccines for 11-Year-Olds
Tdap Vaccine
- Recommended for all adolescents at age 11-12 years
- Provides protection against tetanus, diphtheria, and pertussis (whooping cough)
- Should be given even if the child completed the childhood DTaP series
- Preferred timing is at 11-12 years of age to reduce morbidity associated with pertussis in adolescents 1
- Administered as a single 0.5 mL intramuscular injection, preferably in the deltoid muscle
Meningococcal Conjugate Vaccine (MCV4)
- Recommended for all adolescents at age 11-12 years
- Protects against meningococcal disease, which can cause meningitis and bloodstream infections
- Should be administered during the same visit as Tdap if both are indicated and available 1
Additional Recommended Vaccines
Human Papillomavirus (HPV) Vaccine
- Recommended to begin the series at age 11-12 years
- Protects against HPV infections that can cause certain cancers and genital warts
- Most effective when given before potential exposure to HPV through sexual contact
Varicella (Chickenpox) Vaccine
- Should be administered if the child has not been vaccinated and does not have a reliable history of chickenpox
- At age 11-12 years, approximately 20% of adolescents remain susceptible to varicella 1
- A single dose is sufficient if given before age 13; two doses are needed if starting at age 13 or older
Influenza Vaccine
- Recommended annually for all children 6 months and older
- Especially important for adolescents with chronic health conditions such as asthma, diabetes, or immunosuppression 1
Special Considerations
Catch-Up Vaccinations
- If an 11-year-old has missed previous recommended vaccines, catch-up doses should be administered according to the recommended schedules
- For incomplete tetanus/diphtheria immunization, a series of 3 tetanus-containing vaccines may be needed, with Tdap substituting for one of these doses 1
Simultaneous Administration
- Multiple vaccines can and should be administered during the same visit if indicated
- Each vaccine should be administered using a separate syringe at a different anatomic site
- Administering all indicated vaccines during a single visit increases the likelihood that adolescents will receive each vaccine on schedule 1
Implementation Tips
- Observe the adolescent for 15-20 minutes after vaccination to monitor for syncope (fainting), which can be more common in this age group 1
- Document all vaccines administered in the appropriate immunization information system
- Provide the parent/guardian with documentation of vaccines received and information about when future vaccines are needed
Common Pitfalls to Avoid
- Delaying Tdap vaccination - The preferred age is 11-12 years; delaying vaccination leaves adolescents vulnerable to pertussis
- Missing opportunities for simultaneous vaccination - When possible, administer all indicated vaccines during the same visit
- Overlooking catch-up vaccinations - Review the child's complete immunization history to identify any missed vaccines
- Assuming immunity to varicella - Verify history of chickenpox or prior vaccination; don't assume immunity based on age
- Neglecting annual influenza vaccination - This should be offered annually, especially for those with chronic conditions
By following these recommendations, healthcare providers can ensure that 11-year-olds receive appropriate protection against vaccine-preventable diseases at this important transition point in their immunization schedule.