smallpox and some cases even occurred among people that were revaccinated shortly before. It has two forms.

Early

The early or fulminant form of hemorrhagic smallpox (referred to as purpura variolosa) begins with a prodromal phase characterized by a high fever, severe headache, and abdominal pain. The skin becomes dusky and erythematous, and this is rapidly followed by the development of petechiae and bleeding in the skin, conjunctiva

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