Shigellosis Outbreak in the Disabled Education Institute, March-May, 2011

2011 
During March 7-May 16, 2011, three waves of shigellosis outbreaks occurred in the dormitories of the Disabled Education Institute in Yilan County. A total of 21 residents, 2 staff members, and 1 service draftee had symptoms of diarrhea. Shigellosis infection was confirmed in 12 residents and 1 staff member.The epidemic curve, plotted by symptom onset dates of case-patients, indicates that the outbreak was likely propagated through person-to-person transmission. Control and preventive measures were applied. These included limiting contact between dormitories, assigning specific persons to clean and disinfect the dormitories, designating quarantine areas or infected case-patients, and closely monitoring daily health reports. As a result, disease transmission ceased on May 20(superscript th).
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