The root of the problem has been discovered and proper treatment can be planned
Explanation:
No two patients are the same but in establishing a diagnosis a base line for a treatment can be known. Basic plan of treatment and means to prevent further damage are put into place at first. The individual treatment can then be given
In 1798 the first smallpox vaccine was developed.Over the 18th and 19th centuries,systematic implementation of mass smallpox immunization culminated in its global eradication in 1979.