من هو أول طبيب عربي عرف مرض الجدري؟
This diagnosis is acknowledged by the "Encyclopædia Britannica" (1911), which states: "The most trustworthy statements as to the early existence of the disease are found in an account by the 9th-century Persian physician Rhazes, by whom its symptoms were clearly described, its pathology explained by a humoral or fermentation theory, and directions given for its treatment."
Rhazes