Browsing by Author "Brownstein, John"

Now showing items 41-60 of 66

    • 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 ...

    • Online Reporting for Malaria Surveillance Using Micro-Monetary Incentives, in Urban India 2010-2011 

      Chunara, Rumi; Chhaya, Vina; Bane, Sunetra; Mekaru, Sumiko R; Chan, Emily H; Freifeld, Clark C; Brownstein, John Samuel (BioMed Central, 2012)
      Background: The objective of this study was to investigate the use of novel surveillance tools in a malaria endemic region where prevalence information is limited. Specifically, online reporting for participatory epidemiology ...

    • Participatory Epidemiology: Use of Mobile Phones for Community-Based Health Reporting 

      Freifeld, Clark C.; Chunara, Rumi; Mekaru, Sumiko R.; Chan, Emily H.; Kass-Hout, Taha; Ayala Iacucci, Anahi; Brownstein, John Samuel (Public Library of Science, 2010)
      * Traditional health systems serve a key role in protecting populations, but are typically hierarchical, and information often travels slowly. * Novel Internet-based collaborative systems can have an important role in ...

    • Past and Future Spread of the Arbovirus Vectors Aedes Aegypti and Aedes Albopictus 

      Yi, Dingdong; Johnson, Kimberly; Jones, Peter; Bengtsson, Linus; Wetter, Erik; Lambrechts, Louis; Cauchemez, Simon; Linardos, Catherine; Yu, Hongjie; Wint, G. R. William; Kraemer, Moritz; Reiner, Robert; Brady, Oliver; Messina, Jane; Gilbert, Marius; Pigott, David; Earl, Lucas; Marczak, Laurie; Shirude, Shreya; Davis Weaver, Nicole; Bisanzio, Donal; Perkins, T. Alex; Lai, Shengjie; Lu, Xin; Coelho, Giovanini; Carvalho, Roberta; Van Bortel, Wim; Marsboom, Cedric; Hendrickx, Guy; Schaffner, Francis; Moore, Chester; Nax, Heinrich; Tatem, Andrew; Brownstein, John; Smith, David; Faria, Nuno; Pybus, Oliver; Scott, Thomas; Liu, Qiyong; Hay, Simon; Golding, Nick (Springer Science and Business Media LLC, 2019-03-04)
      The global population at risk from mosquito-borne diseases – including dengue, yellow fever, chikungunya, and Zika – is expanding in concert with changes in the distribution of two key vectors, Aedes aegypti and Ae. ...

    • Preventing Pandemics via International Development: A Systems Approach 

      Bogich, Tiffany L.; Chunara, Rumi; Scales, David; Chan, Emily; Pinheiro, Laura C.; Chmura, Aleksei A.; Carroll, Dennis; Daszak, Peter; Brownstein, John Samuel (Public Library of Science, 2012)

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

      Wójcik, Oktawia P; Brownstein, John S; Chunara, Rumi; Johansson, Michael A (BioMed Central, 2014)
      The 21st 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 ...

    • Quantifying the effect of media limitations on outbreak data in a global online web-crawling epidemic intelligence system, 2008–2011 

      Scales, David; Zelenev, Alexei; Brownstein, John S. (Co-Action Publishing, 2013)
      Background: This is the first study quantitatively evaluating the effect that media-related limitations have on data from an automated epidemic intelligence system. Methods: We modeled time series of HealthMap's two main ...

    • Refining the Global Spatial Limits of Dengue Virus Transmission by Evidence-Based Consensus 

      Brady, Oliver J.; Gething, Peter W.; Bhatt, Samir; Messina, Jane P.; Brownstein, John Samuel; Hoen, Anne Grace Gatewood; Moyes, Catherine L.; Farlow, Andrew W.; Scott, Thomas W.; Hay, Simon I. (Public Library of Science, 2012)
      Background: Dengue is a growing problem both in its geographical spread and in its intensity, and yet current global distribution remains highly uncertain. Challenges in diagnosis and diagnostic methods as well as highly ...

    • Self-Reported Fever and Measured Temperature in Emergency Department Records Used for Syndromic Surveillance 

      Kass-Hout, Taha A; Buckeridge, David; Brownstein, John Samuel; Xu, Zhiheng; McMurray, Paul; Ishikawa, Charles K T; Gunn, Julia; Massoudi, Barbara L (BMJ Group, 2012)
      Many public health agencies monitor population health using syndromic surveillance, generally employing information from emergency department (ED) visit records. When combined with other information, objective evidence of ...

    • Spatial and Temporal Clustering of Chikungunya Virus Transmission in Dominica 

      Nsoesie, Elaine O.; Ricketts, R. Paul; Brown, Heidi E.; Fish, Durland; Durham, David P.; Ndeffo Mbah, Martial L.; Christian, Trudy; Ahmed, Shalauddin; Marcellin, Clement; Shelly, Ellen; Owers, Katharine; Wenzel, Natasha; Galvani, Alison P.; Brownstein, John S. (Public Library of Science, 2015)
      Using geo-referenced case data, we present spatial and spatio-temporal cluster analyses of the early spread of the 2013–2015 chikungunya virus (CHIKV) in Dominica, an island in the Caribbean. Spatial coordinates of the ...

    • Surveillance for Neisseria meningitidis Disease Activity and Transmission Using Information Technology 

      Ahmed, S. Sohail; Oviedo-Orta, Ernesto; Mekaru, Sumiko R.; Freifeld, Clark C.; Tougas, Gervais; Brownstein, John S. (Public Library of Science, 2015)
      Background: While formal reporting, surveillance, and response structures remain essential to protecting public health, a new generation of freely accessible, online, and real-time informatics tools for disease tracking ...

    • A systematic review of studies on forecasting the dynamics of influenza outbreaks 

      Nsoesie, Elaine O; Brownstein, John S; Ramakrishnan, Naren; Marathe, Madhav V (Blackwell Publishing Ltd, 2013)
      Forecasting the dynamics of influenza outbreaks could be useful for decision-making regarding the allocation of public health resources. Reliable forecasts could also aid in the selection and implementation of interventions ...

    • The tell-tale heart: population-based surveillance reveals an association of rofecoxib and celecoxib with myocardial infarction 

      Brownstein, John Samuel; Sordo, Margarita; Kohane, Isaac Samuel; Mandl, Kenneth David (Public Library of Science, 2007)
      Background: COX-2 selective inhibitors are associated with myocardial infarction (MI). We sought to determine whether population health monitoring would have revealed the effect of COX-2 inhibitors on population-level ...

    • Temporal Topic Modeling to Assess Associations between News Trends and Infectious Disease Outbreaks 

      Ghosh, Saurav; Chakraborty, Prithwish; Nsoesie, Elaine O.; Cohn, Emily; Mekaru, Sumiko R.; Brownstein, John S.; Ramakrishnan, Naren (Nature Publishing Group, 2017)
      In retrospective assessments, internet news reports have been shown to capture early reports of unknown infectious disease transmission prior to official laboratory confirmation. In general, media interest and reporting ...

    • Triatomine Infestation in Guatemala: Spatial Assessment after Two Rounds of Vector Control 

      Manne, Jennifer Michele; Nakagawa, Jun; Yamagata, Y.; Goehler, A; Brownstein, John Samuel; Castro, Marcia C.de (American Society of Tropical Medicine and Hygiene, 2012)
      In 2000, the Guatemalan Ministry of Health initiated a Chagas disease program to control Rhodnius prolixus and Triatoma dimidiata by periodic house spraying with pyrethroid insecticides to characterize infestation patterns ...

    • An Unsupervised Classification Method for Inferring Original Case Locations from Low-Resolution Disease Maps 

      Brownstein, John Samuel; Cassa, Christopher Anthony; Kohane, Isaac Samuel; Mandl, Kenneth David (BioMed Central, 2006)
      Background: Widespread availability of geographic information systems software has facilitated the use of disease mapping in academia, government and private sector. Maps that display the address of affected patients are ...

    • Using Google Dengue Trends to Estimate Climate Effects in Mexico 

      Gluskin, Rebecca T.; Santillana, Mauricio; Brownstein, John S. (University of Illinois at Chicago Library, 2013)
      Objective: To evaluate the association between Dengue Fever (DF) and climate in Mexico with real-time data from Google Dengue Trends (GDT) and climate data from NASA Earth observing systems. Introduction: The incidence of ...

    • Using internet search queries for infectious disease surveillance: screening diseases for suitability 

      Milinovich, Gabriel J; Avril, Simon M R; Clements, Archie C A; Brownstein, John S; Tong, Shilu; Hu, Wenbiao (BioMed Central, 2014)
      Background: Internet-based surveillance systems provide a novel approach to monitoring infectious diseases. Surveillance systems built on internet data are economically, logistically and epidemiologically appealing and ...