Tablet-based participatory syndromic surveillance at Simhashta festival in India

Infectious disease surveillance for generating early warnings to enable a prompt response during mass gatherings has long been a challenge in India as well as in other parts of the world. Ujjain, Madhya Pradesh in Central India hosted one of the largest religious festival in the world called ‘Simhasth kumbh mela’ on the banks of River Kshipra, where more than 50 million attendees came for holy dip during April 22 to May 21, 2016. The attendees included pilgrims (residents and visitors), observers, officials and volunteers.

January 21, 2018

Application of tablet for data collection in HIV sentinel surveillance in Vietnam

Vietnam has routinely monitored HIV sero-prevalence among key populations through its HIV sentinel surveillance system (HSS). In 2010, this system was updated to include a behavioral component (HSS+) among people who inject drugs, female sex workers, and men who have sex with men. HSS+ has historically used a paper-based questionnaire for data collection. At the end of the survey, provincial data were manually entered into computers using EpiData Entry forms ( and submitted to the Vietnam Authority of HIV/AIDS Control (VAAC).

January 21, 2018

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