1. Introduction
Typhoid is an enteric fever caused by the bacterium Salmonella Typhi and is a common waterborne disease.In 2006, the World Health Organization reported thatthe estimated incidence of typhoid fever was 10e33 million cases worldwide, with an annual fatality rate of 1.5e3.8% [1]. Typhoid fever outbreaks associated with dirty and contaminated water are continuously reported
throughout the world, especially in developing countries [2e4]. Typhoid fever experts have emphasized that appropriate availability of medical services and clean water and individual hygiene practices are required to prevent typhoid fever. However, to date, no one has suggested how much clean water or medical service is needed to decrease the incidence of typhoid fever in
a community. Therefore, we analyzed the incidence of typhoid fever, the associated fatality rate, and the factors that induced decreases in the incidence of typhoid fever and deaths in Korea. Based on the results of our analysis, we propose a quantitative and concrete solution to
reduce the incidence of typhoid fever.
1. IntroductionTyphoid is an enteric fever caused by the bacterium Salmonella Typhi and is a common waterborne disease.In 2006, the World Health Organization reported thatthe estimated incidence of typhoid fever was 10e33 million cases worldwide, with an annual fatality rate of 1.5e3.8% [1]. Typhoid fever outbreaks associated with dirty and contaminated water are continuously reportedthroughout the world, especially in developing countries [2e4]. Typhoid fever experts have emphasized that appropriate availability of medical services and clean water and individual hygiene practices are required to prevent typhoid fever. However, to date, no one has suggested how much clean water or medical service is needed to decrease the incidence of typhoid fever ina community. Therefore, we analyzed the incidence of typhoid fever, the associated fatality rate, and the factors that induced decreases in the incidence of typhoid fever and deaths in Korea. Based on the results of our analysis, we propose a quantitative and concrete solution toreduce the incidence of typhoid fever.
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