APHA Vaccine Schedules & Recommendations 2 — Questions and Answers
Question 1: According to the CDC immunization schedule, at what age should the first dose of MMR vaccine be administered?
- 6 months
- 9 months
- 12–15 months (Correct answer)
- 18 months
Correct answer: 12–15 months
The first MMR dose is recommended at 12–15 months of age in the routine childhood immunization schedule.
Question 2: How many doses of hepatitis B vaccine are recommended for infants in the standard US schedule?
- 2 doses
- 3 doses (Correct answer)
- 4 doses
- 5 doses
Correct answer: 3 doses
The standard hepatitis B vaccine series for infants consists of 3 doses, typically at birth, 1–2 months, and 6–18 months.
Question 3: Which vaccine is recommended for all pregnant women during each pregnancy, preferably between 27 and 36 weeks gestation?
- MMR
- Varicella
- Tdap (Correct answer)
- Hepatitis A
Correct answer: Tdap
Tdap is recommended during every pregnancy (27–36 weeks) to provide passive protection to the newborn against pertussis.
Question 4: The ACIP catch-up immunization schedule is used primarily for which population?
- Immunocompromised adults only
- Children and adolescents who started vaccines late or fell behind (Correct answer)
- International travelers
- Healthcare workers
Correct answer: Children and adolescents who started vaccines late or fell behind
The catch-up schedule provides guidance for vaccinating children and adolescents aged 4 months–18 years who are behind on recommended vaccines.
Question 5: At what age is the second dose of varicella (chickenpox) vaccine recommended in the childhood immunization schedule?
- 15–18 months
- 2–3 years
- 4–6 years (Correct answer)
- 11–12 years
Correct answer: 4–6 years
The second dose of varicella vaccine is recommended at 4–6 years of age, typically before school entry.
Question 6: Which of the following vaccines is routinely recommended at the 11–12-year-old adolescent visit?
- Hepatitis B (if not previously vaccinated), HPV, Tdap, and MenACWY (Correct answer)
- MMR booster, varicella booster, and IPV
- Rotavirus, PCV15, and Hib
- DTaP, IPV, and MMR
Correct answer: Hepatitis B (if not previously vaccinated), HPV, Tdap, and MenACWY
The 11–12-year visit routinely includes Tdap, HPV series initiation, MenACWY, and hepatitis B catch-up if needed.
Question 7: A healthy 19-year-old college student has never received meningococcal vaccine. Which statement about MenACWY vaccination is correct?
- Vaccination is no longer recommended after age 18
- A single dose is recommended, with a booster at age 21 if at continued risk (Correct answer)
- Two doses are required at 0 and 6 months
- MenACWY is only recommended for asplenic individuals
Correct answer: A single dose is recommended, with a booster at age 21 if at continued risk
First-year college students living in residential housing who have not been vaccinated should receive MenACWY, with a booster at 21 if the first dose was given before age 16.
APHA Vaccine Schedules & Recommendations 2
According to the CDC immunization schedule, at what age should the first dose of MMR vaccine be administered?