Two cases are reported of roseola vaccinia, an extensive eruption which may appear during the second week after primary smallpox vaccination. It is differentiated from other acute exanthems by the history of recent primary smallpox vaccination and the lack of associated findings. It is distinguished from other complications of smallpox vaccination mainly on morphologic grounds.
Brownstein MH, Datlof P. Roseola Vaccinia. Arch Dermatol. 1968;97(4):422–424. doi:10.1001/archderm.1968.01610100062009
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