NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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How should live vaccines be spaced if not administered on the same day?

2 weeks apart
4 weeks apart
6 weeks apart
8 weeks apart

The correct answer is: 4 weeks apart

Live vaccines should be spaced at least 4 weeks apart if not administered on the same day. This spacing helps to minimize the potential for interference between vaccines and allows the immune system enough time to mount a proper response to each vaccine. Option A (2 weeks apart), Option C (6 weeks apart), and Option D (8 weeks apart) are not the recommended intervals for spacing live vaccines.