International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases · 2018
Bacterial pathogen spectrum of acute diarrheal outpatients in an urbanized rural district in Southwest China.
СтатьяНазвание и аннотация: Перевод в очереди
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Zhou Yongming, Zhang Jingyun, Wang Shukun, Xu Wen, Liang Weili, Yan Meiying, Wang Duochun, Diao Baowei, Pang Bo, Lu Xin, Fan Fenxia, Li Jie, Lou Jing, Zhang Li, Wang Ruibai, Cui Xiaoying, Zhao Meng, Wu Rui, Cai Hongyan, Du Xiaoli, Cui Zhigang, Gu Wenpeng, Yang Rusong, Kan Biao
Аннотация
OBJECTIVES: To conduct a one-year pathogen surveillance of acute diarrheal disease based on outpatient clinics in township hospitals in rural Hongta District of Yunnan Province, China.
METHODS: Fecal specimens of acute diarrhea cases and relevant epidemiological information were collected. Salmonella, Shigella, Vibrio, Aeromonas, Plesiomonas shigelloides and diarrheogenic Escherichia coli (DEC) were examined.
RESULTS: Among the 797 stool specimens sampled, 198 samples (24.8%) were positive in pathogen isolation, and 223 strains were isolated. The order of isolation rates from high to low were DEC, Aeromonas, P. shigelloides, Salmonella, Shigella and Vibrio. The overall positive rate in middle school students and preschool children was relatively high; while the overall positive rate of less than 1-year-old infants and above 55 years olds was relatively low. The isolates were analyzed by pulsed-field gel electrophoresis (PFGE). Some cases had the same or very close onset time, and the isolates had similar PFGE patterns, suggesting a possible outbreak once occurred but was not detected by the current infectious disease reporting system.
CONCLUSIONS: Pathogen infection and transmission in rapidly urbanized rural areas is a serious issue. There is a great need for a more sensitive and accurate mode of monitoring, reporting and outbreak identification of diarrheal disease.
METHODS: Fecal specimens of acute diarrhea cases and relevant epidemiological information were collected. Salmonella, Shigella, Vibrio, Aeromonas, Plesiomonas shigelloides and diarrheogenic Escherichia coli (DEC) were examined.
RESULTS: Among the 797 stool specimens sampled, 198 samples (24.8%) were positive in pathogen isolation, and 223 strains were isolated. The order of isolation rates from high to low were DEC, Aeromonas, P. shigelloides, Salmonella, Shigella and Vibrio. The overall positive rate in middle school students and preschool children was relatively high; while the overall positive rate of less than 1-year-old infants and above 55 years olds was relatively low. The isolates were analyzed by pulsed-field gel electrophoresis (PFGE). Some cases had the same or very close onset time, and the isolates had similar PFGE patterns, suggesting a possible outbreak once occurred but was not detected by the current infectious disease reporting system.
CONCLUSIONS: Pathogen infection and transmission in rapidly urbanized rural areas is a serious issue. There is a great need for a more sensitive and accurate mode of monitoring, reporting and outbreak identification of diarrheal disease.