Elad Yom-Tov May Syndromic surveillance refers to the analysis of medical information for the purpose of detecting outbreaks of disease earlier than would have been possible otherwise and to estimate the prevalence of the disease in a population. Internet data, especially search engine queries and social media postings, have shown promise in contributing to syndromic surveillance for in uenza and dengue fever.
A general overview of the French syndromic surveillance system SurSaUD | Knowledge Repository
Here we focus on the recent outbreak of Ebola Virus Disease and ask whether three major sources of Internet data could have been used for early detection of the outbreak and for its ongoing monitoring. We analyze queries submitted to the Bing search engine, postings made by people using Twitter, and news articles in mainstream media, all collected from both the main infected countries in Africa and from across the world between November and October Our results indicate that it is unlikely any of the three sources would have provided an alert more than a week before the official announcement of the World Health Organization.
Furthermore, over time, the number of Twitter messages and Bing queries related to Ebola are better correlated with the number of news articles than with the number of cases of the disease, even in the most affected countries.
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Information sought by users was predominantly from news sites and Wikipedia, and exhibited temporal patterns similar to those typical of news events. IHR Emergency Committee meeting was held on 12 April and the committee determined that the ongoing Ebola outbreak does not constitute a Public Health Emergency of International Concern, the statement is available here.
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- Ebola data from the Internet: An opportunity for syndromic surveillance or a news event?!
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Published on 18 Apr Download PDF Diarrhoea: Vanuatu. Measles Global report provisional : Measles cases have continued to climb into Preliminary global data shows that reported cases rose by percent in the first three months of , compared to the same period in These numbers are not yet finalised as some countries are still reporting data but already show a clear global trend of increasing measles cases [ Source: WHO ] Ebola Virus Disease Democratic Republic of Congo : As of 14 April , the cumulative number of cases is 1, cases 1, confirmed, 66 probable including deaths CFR Of the 22 cases, five were healthcare workers and 19 were reported from Wadi Aldwasir city while the remaining three were reported from another hospital epidemiologically linked to the ongoing Wadi Aldwasir outbreak.
La surveillance syndromique en France : 15 ans après ?
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