Which of the following symptoms suggests smallpox as opposed to the more common and much less dangerous chickenpox?

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Symptoms of smallpox include rash lesions on face and extremities ("centripental"),rash that occurs 2 to 4 days after onset of fever,and vesicles that are deep seated and do not collapse on puncture.Symptoms of chickenpox include a sudden onset with slight fever and mild constitutional symptoms,rash that is present at onset,rash progression is maclopapular for a few hours,vesicular for 3-4 days,followed by granular scabs,rash is "centifugal" with lesions most abundant on the trunk or areas of the body usually covered by clothing,lesions appear in "crops" and can be at various stages in the same area of the body,and vesicles are superficial and collapse on puncture.

Which of the Following Symptoms Suggests Smallpox as Opposed to the More