The West African 2014 Ebola outbreak has highlighted the need for a better information network. Hybrid information networks, an integration of both hierarchical and formalized command control-driven and community-based, or ad hoc emerging networks, could assist in improving public health responses. By filling the missing gaps with social media use, the public health response could be more proactive rather than reactive in responding to such an outbreak of global concern. This article provides a review of the current social media use specifically in this outbreak by systematically collecting data from ProQuest Newsstand, Dow Jones Factiva, Program for Monitoring Emerging Diseases (ProMED) as well as Google Trends. The period studied is from 19 March 2014 (first request for information on ProMED) to 15 October 2014, a total of 31 weeks. The term 'Ebola' was used in the search for media reports. The outcome of the review shows positive results for social media use in effective surveillance response mechanisms - for improving the detection, preparedness and response of the outbreak - as a complement to traditional, filed, work-based surveillance approach.

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The Hajj is an annual pilgrimage that 1–2 million Muslims undertake in the Kingdom of Saudi Arabia (KSA), which is the largest mass gathering event in the world, as the world’s most populous Muslim nation, Indonesia holds the largest visa quota for the Hajj. All Hajj pilgrims under the quota system are registered in the Indonesian government’s Hajj surveillance database to ensure adherence to the KSA authorities’ health requirements. Performance of the Hajj and its rites are physically demanding, which may present health risks. This report provides a descriptive overview of mortality in Indonesian pilgrims from 2004 to 2011. The mortality rate from 2004 to 2011 ranged from 149 to 337 per 100,000 Hajj pilgrims, equivalent to the actual number of deaths ranging between 501 and 531 cases. The top two mortality causes were attributable to diseases of the circulatory and respiratory systems. Older pilgrims or pilgrims with comorbidities should be encouraged to take a less physically demanding route in the Hajj. All pilgrims should be educated on health risks and seek early health advice from the mobile medical teams provided.

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