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Emerg Themes Epidemiol. 2014 Jun 20;11:7. doi: 10.1186/1742-7622-11-7. eCollection 2014.

Public health for the people: participatory infectious disease surveillance in the digital age.

Author information

1
Harvard Medical School and Boston Children's Hospital, 1 Autumn St., Boston, MA 02215, USA.
2
Centers for Disease Control and Prevention, San Juan, Puerto Rico, USA.

Abstract

The 21(st) century has seen the rise of Internet-based participatory surveillance systems for infectious diseases. These systems capture voluntarily submitted symptom data from the general public and can aggregate and communicate that data in near real-time. We reviewed participatory surveillance systems currently running in 13 different countries. These systems have a growing evidence base showing a high degree of accuracy and increased sensitivity and timeliness relative to traditional healthcare-based systems. They have also proven useful for assessing risk factors, vaccine effectiveness, and patterns of healthcare utilization while being less expensive, more flexible, and more scalable than traditional systems. Nonetheless, they present important challenges including biases associated with the population that chooses to participate, difficulty in adjusting for confounders, and limited specificity because of reliance only on syndromic definitions of disease limits. Overall, participatory disease surveillance data provides unique disease information that is not available through traditional surveillance sources.

KEYWORDS:

Dengue; Disease surveillance; Influenza-like illness; Participatory surveillance; Participatory surveillance system; Public health

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