Role of vaccination in preventing typhoid fever: experience from Vietnam

摘要

Background: Improvements in water and sanitation are essential to reducing the burden of many infectious diseases, most notably that of diarrhea and enteric fevers. Vietnam has considerable burden of enteric diseases including typhoid fever. The objective of this study was to retrospectively review epidemiological data on typhoid fever and environmental data that are often considered to be associated with typhoid fever in Vietnam over a period of 10 years from 1991 to 2001 to understand the trend and environmental risk factors of typhoid fever in Vietnam.