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Special Issue
D. A. Henderson
Johns Hopkins Center for Civilian Biodefense Studies, Baltimore, Maryland, USA
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| Back to article Figure 1. Most cases of smallpox are clinically typical and readily able to be diagnosed. Lesions on each area of the body are at the same stage of development, are deeply embedded in the skin, and are more densely concentrated on the face and extremities. |
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| Back to article Figure 2. The lesions of chickenpox develop as a series of "crops" over several days and are very superficial. Papules, vesicles, pustules, and scabs can be seen adjacent to each other. The trunk is usually more affected than the face or extremities. |
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