We hope no one ever has to try this cure.
Even the worst case of smallpox can be cured in three days. Dissolve one ounce of cream of tartar in a pint of water. Drink this at intervals when cold. It has cured thousands, never leaves a mark, never causes blindness, and avoids tedious lingering.
Clipart of can courtesy of http://etc.usf.edu/clipart, FCIT.