Itō GenbokuSummaryItō Genboku was a Japanese surgeon and Rangaku expert living during the late Edo period and early Meiji era. He was the first surgeon to give a cowpox vaccine in Japan, between 1858 and 1860.Originally created by 唐吉訶德的侍從8/4/2015, 3:28:50 PMModified2/5/2026, 10:37:22 AMContributors唐吉訶德的侍從Source: WikipediaView full article↗