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NBME Answers & Explanations
NBME 24 Answers
A 3-year-old boy with AIDS develops giant cell ...
Question pretty much is asking what type of virus is Measles, which is a Negative ssRNA virus.
is the AIDS to indicate that he can't get live vaccinations?
Yep, also his unimmunized cousin points you to the fact that he got it from someone else who was unimmunized.
one does not simply “walk into morder”