Now showing items 21-40 of 62

    • Evaluation of Epidemic Intelligence Systems Integrated in the Early Alerting and Reporting Project for the Detection of A/H5N1 Influenza Events 

      Barboza, Philippe; Vaillant, Laetitia; Mawudeku, Abla; Nelson, Noele P.; Hartley, David M.; Madoff, Lawrence C.; Linge, Jens P.; Collier, Nigel; Brownstein, John Samuel; Yangarber, Roman; Astagneau, Pascal (Public Library of Science, 2013)
      The objective of Web-based expert epidemic intelligence systems is to detect health threats. The Global Health Security Initiative (GHSI) Early Alerting and Reporting (EAR) project was launched to assess the feasibility ...
    • Evaluation of Influenza Prevention in the Workplace Using a Personally Controlled Health Record: Randomized Controlled Trial 

      Bourgeois, Florence Tanya; Simons, William; Olson, Karen Lea; Brownstein, John Samuel; Mandl, Kenneth David (JMIR Publications Inc., 2008)
      Background: Personally controlled health records (PCHRs) are accessible over the Internet and allow individuals to maintain and manage a secure copy of their medical data. These records provide a new opportunity to provide ...
    • Evaluation of Local Media Surveillance for Improved Disease Recognition and Monitoring in Global Hotspot Regions 

      Schwind, Jessica S.; Wolking, David J.; Brownstein, John S.; Mazet, Jonna A. K.; Smith, Woutrina A. (Public Library of Science, 2014)
      Digital disease detection tools are technologically sophisticated, but dependent on digital information, which for many areas suffering from high disease burdens is simply not an option. In areas where news is often reported ...
    • Factors Influencing Performance of Internet-Based Biosurveillance Systems Used in Epidemic Intelligence for Early Detection of Infectious Diseases Outbreaks 

      Barboza, Philippe; Vaillant, Laetitia; Le Strat, Yann; Hartley, David M.; Nelson, Noele P.; Mawudeku, Abla; Madoff, Lawrence C.; Linge, Jens P.; Collier, Nigel; Brownstein, John S.; Astagneau, Pascal (Public Library of Science, 2014)
      Background: Internet-based biosurveillance systems have been developed to detect health threats using information available on the Internet, but system performance has not been assessed relative to end-user needs and ...
    • Flu Near You: An Online Self-reported Influenza Surveillance System in the USA 

      Chunara, Rumi; Aman, Susan; Smolinski, Mark; Brownstein, John S. (University of Illinois at Chicago Library, 2013)
      Objective: To develop a participatory system for monitoring the activity of influenza-like-illness among the United States general population. Introduction: The emergence of new influenza strains including H1N1, H5N1, H3N2v ...
    • A global compendium of human Crimean-Congo haemorrhagic fever virus occurrence 

      Messina, Jane P; Pigott, David M; Duda, Kirsten A; Brownstein, John S; Myers, Monica F; George, Dylan B; Hay, Simon I (Nature Publishing Group, 2015)
      In order to map global disease risk, a geographic database of human Crimean-Congo haemorrhagic fever virus (CCHFV) occurrence was produced by surveying peer-reviewed literature and case reports, as well as informal online ...
    • A global compendium of human dengue virus occurrence 

      Messina, Jane P; Brady, Oliver J; Pigott, David M; Brownstein, John S; Hoen, Anne G; Hay, Simon I (Nature Publishing Group, 2014)
      A global geographic database of human dengue virus occurrence was produced to generate a global risk map and associated burden estimates1. Herein we present the database, which comprises occurrence data linked to point or ...
    • Global database of leishmaniasis occurrence locations, 1960–2012 

      Pigott, David M; Golding, Nick; Messina, Jane P; Battle, Katherine E; Duda, Kirsten A; Balard, Yves; Bastien, Patrick; Pratlong, Francine; Brownstein, John S; Freifeld, Clark C; Mekaru, Sumiko R; Madoff, Lawrence C; George, Dylan B; Myers, Monica F; Hay, Simon I (Nature Publishing Group, 2014)
      The leishmaniases are neglected tropical diseases of significant public health importance. However, information on their global occurrence is disparate and sparse. This database represents an attempt to collate reported ...
    • The global distribution and burden of dengue 

      Bhatt, Samir; Gething, Peter W.; Brady, Oliver J.; Messina, Jane P.; Farlow, Andrew W.; Moyes, Catherine L.; Drake, John M.; Brownstein, John S.; Hoen, Anne G.; Sankoh, Osman; Myers, Monica F.; George, Dylan B.; Jaenisch, Thomas; Wint, G.R. William; Simmons, Cameron P.; Scott, Thomas W.; Farrar, Jeremy J.; Hay, Simon I. (2013)
      Dengue is a systemic viral infection transmitted between humans by Aedes mosquitoes1. For some patients dengue is a life-threatening illness2. There are currently no licensed vaccines or specific therapeutics, and substantial ...
    • Global distribution maps of the leishmaniases 

      Pigott, David M; Bhatt, Samir; Golding, Nick; Duda, Kirsten A; Battle, Katherine E; Brady, Oliver J; Messina, Jane P; Balard, Yves; Bastien, Patrick; Pratlong, Francine; Brownstein, John S; Freifeld, Clark C; Mekaru, Sumiko R; Gething, Peter W; George, Dylan B; Myers, Monica F; Reithinger, Richard; Hay, Simon I (eLife Sciences Publications, Ltd, 2014)
      The leishmaniases are vector-borne diseases that have a broad global distribution throughout much of the Americas, Africa, and Asia. Despite representing a significant public health burden, our understanding of the global ...
    • The global distribution of Crimean-Congo hemorrhagic fever 

      Messina, Jane P.; Pigott, David M.; Golding, Nick; Duda, Kirsten A.; Brownstein, John S.; Weiss, Daniel J.; Gibson, Harry; Robinson, Timothy P.; Gilbert, Marius; William Wint, G. R.; Nuttall, Patricia A.; Gething, Peter W.; Myers, Monica F.; George, Dylan B.; Hay, Simon I. (Oxford University Press, 2015)
      Background: Crimean-Congo hemorrhagic fever (CCHF) is a tick-borne infection caused by a virus (CCHFV) from the Bunyaviridae family. Domestic and wild vertebrates are asymptomatic reservoirs for the virus, putting animal ...
    • Global mapping of infectious disease 

      Hay, Simon I.; Battle, Katherine E.; Pigott, David M.; Smith, David L.; Moyes, Catherine L.; Bhatt, Samir; Brownstein, John S.; Collier, Nigel; Myers, Monica F.; George, Dylan B.; Gething, Peter W. (The Royal Society, 2013)
      The primary aim of this review was to evaluate the state of knowledge of the geographical distribution of all infectious diseases of clinical significance to humans. A systematic review was conducted to enumerate cartographic ...
    • Mapping global environmental suitability for Zika virus 

      Messina, Jane P; Kraemer, Moritz UG; Brady, Oliver J; Pigott, David M; Shearer, Freya M; Weiss, Daniel J; Golding, Nick; Ruktanonchai, Corrine W; Gething, Peter W; Cohn, Emily; Brownstein, John S; Khan, Kamran; Tatem, Andrew J; Jaenisch, Thomas; Murray, Christopher JL; Marinho, Fatima; Scott, Thomas W; Hay, Simon I (eLife Sciences Publications, Ltd, 2016)
      Zika virus was discovered in Uganda in 1947 and is transmitted by Aedes mosquitoes, which also act as vectors for dengue and chikungunya viruses throughout much of the tropical world. In 2007, an outbreak in the Federated ...
    • Mapping the zoonotic niche of Ebola virus disease in Africa 

      Pigott, David M; Golding, Nick; Mylne, Adrian; Huang, Zhi; Henry, Andrew J; Weiss, Daniel J; Brady, Oliver J; Kraemer, Moritz UG; Smith, David L; Moyes, Catherine L; Bhatt, Samir; Gething, Peter W; Horby, Peter W; Bogoch, Isaac I; Brownstein, John S; Mekaru, Sumiko R; Tatem, Andrew J; Khan, Kamran; Hay, Simon I (eLife Sciences Publications, Ltd, 2014)
      Ebola virus disease (EVD) is a complex zoonosis that is highly virulent in humans. The largest recorded outbreak of EVD is ongoing in West Africa, outside of its previously reported and predicted niche. We assembled location ...
    • Measuring patient-perceived quality of care in US hospitals using Twitter 

      Hawkins, Jared B; Brownstein, John S; Tuli, Gaurav; Runels, Tessa; Broecker, Katherine; Nsoesie, Elaine O; McIver, David J; Rozenblum, Ronen; Wright, Adam; Bourgeois, Florence T; Greaves, Felix (BMJ Publishing Group, 2016)
      Background: Patients routinely use Twitter to share feedback about their experience receiving healthcare. Identifying and analysing the content of posts sent to hospitals may provide a novel real-time measure of quality, ...
    • Measuring the Impact of Health Policies Using Internet Search Patterns: The Case of Abortion 

      Reis, Ben Y.; Brownstein, John Samuel (BioMed Central, 2010)
      Background: Internet search patterns have emerged as a novel data source for monitoring infectious disease trends. We propose that these data can also be used more broadly to study the impact of health policies across ...
    • Modeling to Predict Cases of Hantavirus Pulmonary Syndrome in Chile 

      Nsoesie, Elaine O.; Mekaru, Sumiko R.; Ramakrishnan, Naren; Marathe, Madhav V.; Brownstein, John S. (Public Library of Science, 2014)
      Background: Hantavirus pulmonary syndrome (HPS) is a life threatening disease transmitted by the rodent Oligoryzomys longicaudatus in Chile. Hantavirus outbreaks are typically small and geographically confined. Several ...
    • MoH+: A Global, Integrated, and Automated View of Official Outbreak Reporting 

      Bahk, Chi; Scales, David; Mekaru, Sumiko; Brownstein, John S.; Freifeld, Clark (University of Illinois at Chicago Library, 2013)
      Objective: To introduce MoH+, HealthMap’s (HM) real-time feed of official government sources, and demonstrate its utility in comparing the timeliness of outbreak reporting between official and unofficial sources. Introduction: ...
    • Monitoring Disease Trends using Hospital Traffic Data from High Resolution Satellite Imagery: A Feasibility Study 

      Nsoesie, Elaine O.; Butler, Patrick; Ramakrishnan, Naren; Mekaru, Sumiko R.; Brownstein, John S. (Nature Publishing Group, 2015)
      Challenges with alternative data sources for disease surveillance include differentiating the signal from the noise, and obtaining information from data constrained settings. For the latter, events such as increases in ...
    • Monitoring Influenza Epidemics in China with Search Query from Baidu 

      Yuan, Qingyu; Nsoesie, Elaine O.; Lv, Benfu; Peng, Geng; Chunara, Rumi; Brownstein, John S. (Public Library of Science, 2013)
      Several approaches have been proposed for near real-time detection and prediction of the spread of influenza. These include search query data for influenza-related terms, which has been explored as a tool for augmenting ...