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Vaiolo VS Varicella.svg Rash distribution early rash smallpox versus chickenpox en Image on left shows approximate distribution of smallpox rash Image on right shows approximate distribution of chickenpox rash Smallpoxversuschickenpoxenglishplain svg UTC Smallpoxversuschickenpoxenglishplain svg Smallpox variolaorthopoxvirus EarlyRashvschickenpox