 The infoveillance detects disease outbreaks quicker than traditional public health surveillance systems with the minimal cost involved, revealing the promising results for the future surveillance methodologies . Google Flu Trends Google uses the query information to detect the flu trends and it compares   the results to the countries' official surveillance data .
<meaning-changed>  The infoveillance detects disease outbreaks quicker than traditional public health surveillance systems with the minimal cost involved, revealing the promising results for the future surveillance methodologies . Google Flu Trends Google uses the query information to detect the flu trends and it compares   the results to the countries' official surveillance data .
 The infoveillance detects disease outbreaks quicker than traditional public health surveillance systems with the minimal cost involved, revealing the promising results for the future surveillance methodologies . Google Flu Trends Google uses the query information to detect the flu trends and it compares Google Health Trends Beginning in 2008, Google used aggregated search query data to detect influenza trends and compared the results to the countries' official surveillance data .