Examkin

Question

Difficulty: MediumPreventive Care and Immunizations

A mother brings her 12-month-old daughter to the pediatrician for a scheduled health maintenance visit. The child has had a mild runny nose and an occasional cough for the past two days. Her temperature in the office is 37.9°C (100.2°F), pulse is 120/min, and respirations are 28/min. Physical examination reveals clear rhinorrhea and a slightly erythematous posterior pharynx. The lungs are clear to auscultation, and the heart rate is regular. When asked about development, the mother reports that the child pulls to a stand and cruises along furniture but is not yet walking independently. The child says 'mama' and 'dada' specifically to her parents and points to objects she wants. The child's 6-year-old brother was recently diagnosed with acute lymphoblastic leukemia and is currently receiving induction chemotherapy. Which of the following is the most appropriate next step in the management of this patient?

  1. Administer all routine age-appropriate vaccines todayAnswer
  2. B
    Administer inactivated vaccines today but delay live-attenuated vaccines until the brother completes chemotherapy
  3. C
    Delay all immunizations until the patient's respiratory symptoms and low-grade fever completely resolve
  4. D
    Refer the child for a comprehensive developmental evaluation due to delayed gross motor milestones
  5. E
    Refer the child for a comprehensive developmental evaluation due to delayed language milestones

Answer

Administer all routine age-appropriate vaccines today
The most appropriate next step is to administer all routine age-appropriate vaccines today. At 12 months of age, children are due for several vaccines, including inactivated vaccines (e.g., PCV, Hib, HepA) and live-attenuated vaccines (e.g., MMR, Varicella). A common misconception is that live vaccines should be withheld from healthy children who live with an immunocompromised person (in this case, a sibling receiving chemotherapy). In reality, it is strongly recommended that healthy household contacts receive all age-appropriate vaccines, including MMR and Varicella, to create a 'cocoon' of herd immunity around the vulnerable patient. Transmission of these vaccine-strain viruses is exceedingly rare. Furthermore, the patient's mild upper respiratory infection with a low-grade fever is a false contraindication to vaccination; withholding vaccines in this setting leads to unnecessary delays in care.

Step-by-Step Solution

1
Evaluate the patient's developmental milestones.
Cruising along furniture, saying 'mama' and 'dada' specifically, and pointing are normal age-appropriate milestones for a 12-month-old.
To rule out developmental delay and the need for early intervention referral.
2
Assess the clinical presentation of mild rhinorrhea and low-grade fever.
The patient has a mild upper respiratory infection.
To determine if there is a true medical contraindication to receiving routine immunizations today.
3
Determine the safety and indication for vaccines given the household contact with leukemia.
Live-attenuated vaccines (MMR, Varicella) are safe and strongly recommended for healthy household contacts of immunocompromised individuals.
To provide indirect protection (herd immunity) to the sibling undergoing chemotherapy.
4
Select the most appropriate management plan.
Proceed with administering all routine 12-month vaccines.
There are no valid contraindications present, and vaccination is critical for both the patient and her immunocompromised brother.

Key Concept

Healthy household contacts of immunocompromised individuals should receive all routine age-appropriate vaccines, including live-attenuated vaccines (e.g., MMR, Varicella), to provide herd immunity. Mild acute illness is a false contraindication to vaccination.
Estimated Time:1m 30s
Rate this question

Topics

Preventive Care and Immunizations

More questions from this topic