| [an outbreak of paratyphoid fever in a county of yunnan province, 2010-2011]. | objective: to identify the source and to comment on control program regarding an outbreak of paratyphoid a fever in a county, through field studies. methods: descriptive epidemiological methods were adopted to describe the epidemiological characteristics of the outbreak, which occurred in yuanjiang county, yunan province between 2010-2011, china. case-control study with environmental investigation was performed to identify related risk factors and pathogens while isolation and susceptibility on ... | 2017 | 28231666 |