Vaccines and Immunoprophylaxis · USMLE Step 1

Which vaccine is contraindicated in infants younger than 6 weeks?

  1. Rotavirus
  2. Hepatitis B
  3. BCG
  4. Pneumococcal conjugate vaccine
Show answer and explanation

Correct answer: Rotavirus

Rotavirus vaccine is not administered before 6 weeks of age. Other routinely recommended vaccines can be started earlier.

Difficulty: Medium Question 13 of 20

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