Geographical Distribution of Vi-Phage Types of Salmonella typhi Isolated in East Asia; A Review Made Mainly on a Basis of Results in Korea

Abstract

Typhoid fever is now a minor cause of death, but it remains at fairly high rate in some area of Asiatic countries. In Korea it is on the increase since several years, and in Japan, to be scarce now, the case rate is stagnant since 1960. The Vi-phage typi