A Previously Healthy 2-Year-Old Boy Is Brought to the Clinic

A previously healthy 2-year-old boy is brought to the clinic with fever and mouth pain that began yesterday.  He has consumed an adequate amount of fluids but refuses to eat due to the pain.  The patient has no medical problems and takes no medications.  Physical examination reveals swollen gums and vesicular, inflamed lesions on his hard palate and lips.  He has enlarged and tender cervical lymph nodes.  Which of the following is most likely responsible for this patient's condition?

A) DNA virus, double-stranded, enveloped
B) DNA virus, double-stranded, non-enveloped
C) DNA virus, single-stranded, non-enveloped
D) RNA virus, double-stranded, positive-sense
E) RNA virus, single-stranded, negative-sense
F) RNA virus, single-stranded, positive-sense

Correct Answer:

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