Alastrim, also known as white pox, is a mild smallpox infection caused by a mitigated smallpox virus variant (modified wild-type virus). First observed in South America and Florida in the late 19th century.
Alastrim, also known as white pox, is a mild smallpox infection caused by a mitigated smallpox virus variant (modified wild-type virus). First observed in South America and Florida in the late 19th century.