A major Japanese smallpox epidemic that started in 735 finally runs its course, but only after causing an estimated 25% to 35% mortality among the adult population in the country.[2]
↑ Farris, William Wayne (1985). Population, Disease, and Land in Early Japan, 645-900. Harvard University Asia Center. pp.65–66. ISBN9780674690059.
↑ Kuroita, Katsumi, ed. (1974). 続日本紀後編[Shoku Nihongi Part 2]. Revised and Expanded Japanese History Compendium (新訂増補國史大系) (in Japanese). Yoshikawa Kōbunkan (吉川弘文館). ISBN4642000046.
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