The clinical course of smallpox infection and the current and future roles of vaccination and strategies for controlling smallpox outbreaks are reviewed. Close personal contact is required for ...

The smallpox vaccine was prepared by scarification of calves followed by collection of drained lymph fluid. [18] Each lot of vaccine varies in concentration, with a mean titer of 10 8.1 pock ...

Monkeypox is a disease caused by the monkeypox virus, a pathogen closely related to variola virus, which causes smallpox. Monkeypox and smallpox infections trigger similar symptoms, but monkeypox ...