Health Map

HealthMap, a team of researchers, epidemiologists and software developers at Boston Children's Hospital founded in 2006, is an established global leader in utilizing online informal sources for disease outbreak monitoring and real-time surveillance of emerging public health threats. The freely available Web site '' and mobile app 'Outbreaks Near Me' deliver real-time intelligence on a broad range of emerging infectious diseases for a diverse audience including libraries, local health departments, governments, and international travelers. HealthMap brings together disparate data sources, including online news aggregators, eyewitness reports, expert-curated discussions and validated official reports, to achieve a unified and comprehensive view of the current global state of infectious diseases and their effect on human and animal health. Through an automated process, updating 24/7/365, the system monitors, organizes, integrates, filters, visualizes and disseminates online information about emerging diseases in nine languages, facilitating early detection of global public health threats. Download our brochure to learn more.

You can see and experience the global HealthMap information visualization at:





MicrobeWorld Video - Infectious Disease in a Mobile Age
October2009Amy Sonricker speaking at the Marian Koshland Science Museum in Washington, D.C.

Google Tech Talks
August 19, 2008HealthMap: Digital Disease Detection. Speakers: John Brownstein PhD, Clark Freifeld, Mikaela Keller PhD

Georeferencing Workshop at Harvard
March 21st2008Video of John's presentation

Forum One event Global Health and the Internet: How Can We Save More Lives?
November 13th, 2007

Institute of Medicine's workshop on Infectious Disease Surveillance and Detection
December 12 - 13, 2006Slides from John's presentation



A systematic review of studies on forecasting the dynamics of influenza outbreaks.
Nsoesie EO, Brownstein JS, Ramakrishnan N, Marathe MV

Predictors of the Timing of Vaccination Uptake: The 2009 Influenza Pandemic (H1N1) in Montreal.
de Montigny L, Charland K, Verma A, Brownstein JS, Le Guerrier P, Buckeridge DL

Crowdsourcing black market prices for prescription opioids.
Dasgupta N, Freifeld C, Brownstein JS, Menone CM, Surratt HL, Poppish L, Green JL, Lavonas EJ, Dart RC

Potential for the international spread of middle East respiratory syndrome in association with mass gatherings in saudi arabia.
Khan K, Sears J, Hu VW, Brownstein JS, Hay S, Kossowsky D, Eckhardt R, Chim T, Berry I, Bogoch I, Cetron M

Influenza A (H7N9) and the importance of digital epidemiology.
Salathé M, Freifeld CC, Mekaru SR, Tomasulo AF, Brownstein JS

An overview of Internet biosurveillance.
Hartley DM, Nelson NP, Arthur RR, Barboza P, Collier N, Lightfoot N, Linge JP, van der Goot E, Mawudeku A, Madoff LC, Vaillant L, Walters R, Yangarber R, Mantero J, Corley CD, Brownstein JS

Travel-associated illness trends and clusters, 2000-2010.
Leder K, Torresi J, Brownstein JS, Wilson ME, Keystone JS, Barnett E, Schwartz E, Schlagenhauf P, Wilder-Smith A, Castelli F, von Sonnenburg F, Freedman DO, Cheng AC, GeoSentinel Surveillance Network

Monitoring influenza epidemics in china with search query from baidu.
Yuan Q, Nsoesie EO, Lv B, Peng G, Chunara R, Brownstein JS

Adult prescription drug use and pediatric medication exposures and poisonings.
Burghardt LC, Ayers JW, Brownstein JS, Bronstein AC, Ewald MB, Bourgeois FT

Entry and exit screening of airline travellers during the A(H1N1) 2009 pandemic: a retrospective evaluation.
Khan K, Eckhardt R, Brownstein JS, Naqvi R, Hu W, Kossowsky D, Scales D, Arino J, MacDonald M, Wang J, Sears J, Cetron MS

Measuring vaccine confidence: analysis of data obtained by a media surveillance system used to analyse public concerns about vaccines.
Larson HJ, Smith DM, Paterson P, Cumming M, Eckersberger E, Freifeld CC, Ghinai I, Jarrett C, Paushter L, Brownstein JS, Madoff LC

Big data opportunities for global infectious disease surveillance.
Hay SI, George DB, Moyes CL, Brownstein JS

The global distribution and burden of dengue.
Bhatt S, Gething PW, Brady OJ, Messina JP, Farlow AW, Moyes CL, Drake JM, Brownstein JS, Hoen AG, Sankoh O, Myers MF, George DB, Jaenisch T, Wint GR, Simmons CP, Scott TW, Farrar JJ, Hay SI

GeoSentinel surveillance of illness in returned travelers, 2007-2011.
Leder K, Torresi J, Libman MD, Cramer JP, Castelli F, Schlagenhauf P, Wilder-Smith A, Wilson ME, Keystone JS, Schwartz E, Barnett ED, von Sonnenburg F, Brownstein JS, Cheng AC, Sotir MJ, Esposito DH, Freedman DO, GeoSentinel Surveillance Network

Evaluation of epidemic intelligence systems integrated in the early alerting and reporting project for the detection of A/H5N1 influenza events.
Barboza P, Vaillant L, Mawudeku A, Nelson NP, Hartley DM, Madoff LC, Linge JP, Collier N, Brownstein JS, Yangarber R, Astagneau P, Early Alerting Reporting Project Of The Global Health Security Initiative

Using network theory to identify the causes of disease outbreaks of unknown origin.
Bogich TL, Funk S, Malcolm TR, Chhun N, Epstein JH, Chmura AA, Kilpatrick AM, Brownstein JS, Hutchison OC, Doyle-Capitman C, Deaville R, Morse SS, Cunningham AA, Daszak P

Global mapping of infectious disease.
Hay SI, Battle KE, Pigott DM, Smith DL, Moyes CL, Bhatt S, Brownstein JS, Collier N, Myers MF, George DB, Gething PW

Preventing pandemics via international development: a systems approach.
Bogich TL, Chunara R, Scales D, Chan E, Pinheiro LC, Chmura AA, Carroll D, Daszak P, Brownstein JS

Digital surveillance: a novel approach to monitoring the illegal wildlife trade.
Sonricker Hansen AL, Li A, Joly D, Mekaru S, Brownstein JS

A scoping review of malaria forecasting: past work and future directions.
Zinszer K, Verma AD, Charland K, Brewer TF, Brownstein JS, Sun Z, Buckeridge DL

Forecasting high-priority infectious disease surveillance regions: a socioeconomic model.
Chan EH, Scales DA, Brewer TF, Madoff LC, Pollack MP, Hoen AG, Choden T, Brownstein JS

Neighborhood determinants of 2009 pandemic A/H1N1 influenza vaccination in Montreal, Quebec, Canada.
Brien S, Kwong JC, Charland KM, Verma AD, Brownstein JS, Buckeridge DL

Refining the global spatial limits of dengue virus transmission by evidence-based consensus.
Brady OJ, Gething PW, Bhatt S, Messina JP, Brownstein JS, Hoen AG, Moyes CL, Farlow AW, Scott TW, Hay SI

Digital epidemiology.
Salathé M, Bengtsson L, Bodnar TJ, Brewer DD, Brownstein JS, Buckee C, Campbell EM, Cattuto C, Khandelwal S, Mabry PL, Vespignani A

Usefulness of school absenteeism data for predicting influenza outbreaks, United States.
Egger JR, Hoen AG, Brownstein JS, Buckeridge DL, Olson DR, Konty KJ

Novel surveillance of psychological distress during the great recession.
Ayers JW, Althouse BM, Allem JP, Childers MA, Zafar W, Latkin C, Ribisl KM, Brownstein JS

Research design considerations for clinical studies of abuse-deterrent opioid analgesics: IMMPACT recommendations.
Turk DC, O'Connor AB, Dworkin RH, Chaudhry A, Katz NP, Adams EH, Brownstein JS, Comer SD, Dart R, Dasgupta N, Denisco RA, Klein M, Leiderman DB, Lubran R, Rappaport BA, Zacny JP, Ahdieh H, Burke LB, Cowan P, Jacobs P, Malamut R, Markman J, Michna E,...

Application of change point analysis to daily influenza-like illness emergency department visits.
Kass-Hout TA, Xu Z, McMurray P, Park S, Buckeridge DL, Brownstein JS, Finelli L, Groseclose SL

Timeliness of nongovernmental versus governmental global outbreak communications.
Mondor L, Brownstein JS, Chan E, Madoff LC, Pollack MP, Buckeridge DL, Brewer TF

Electronic event-based surveillance for monitoring dengue, Latin America.
Hoen AG, Keller M, Verma AD, Buckeridge DL, Brownstein JS

A pharmacoepidemiological network model for drug safety surveillance: statins and rhabdomyolysis.
Reis BY, Olson KL, Tian L, Bohn RL, Brownstein JS, Park PJ, Cziraky MJ, Wilson MD, Mandl KD

Emerging fungal threats to animal, plant and ecosystem health.
Fisher MC, Henk DA, Briggs CJ, Brownstein JS, Madoff LC, McCraw SL, Gurr SJ

Triatomine infestation in Guatemala: spatial assessment after two rounds of vector control.
Manne J, Nakagawa J, Yamagata Y, Goehler A, Brownstein JS, Castro MC

Online reporting for malaria surveillance using micro-monetary incentives, in urban India 2010-2011.
Chunara R, Chhaya V, Bane S, Mekaru SR, Chan EH, Freifeld CC, Brownstein JS

Infectious disease surveillance and modelling across geographic frontiers and scientific specialties.
Khan K, McNabb SJ, Memish ZA, Eckhardt R, Hu W, Kossowsky D, Sears J, Arino J, Johansson A, Barbeschi M, McCloskey B, Henry B, Cetron M, Brownstein JS

Human vs. animal outbreaks of the 2009 swine-origin H1N1 influenza A epidemic.
Scotch M, Brownstein JS, Vegso S, Galusha D, Rabinowitz P

Integration and visualization of host-pathogen data related to infectious diseases.
Driscoll T, Gabbard JL, Mao C, Dalay O, Shukla M, Freifeld CC, Hoen AG, Brownstein JS, Sobral BW

Increased influenza-related healthcare utilization by residents of an urban aboriginal community.
Charland KM, Brownstein JS, Verma A, Brewer T, Jones S, Hoen AG, Buckeridge DL

Integrating spatial epidemiology into a decision model for evaluation of facial palsy in children.
Fine AM, Brownstein JS, Nigrovic LE, Kimia AA, Olson KL, Thompson AD, Mandl KD

Does collocation inform the impact of collaboration?
Lee K, Brownstein JS, Mills RG, Kohane IS

Participatory epidemiology: use of mobile phones for community-based health reporting.
Freifeld CC, Chunara R, Mekaru SR, Chan EH, Kass-Hout T, Ayala Iacucci A, Brownstein JS

Global capacity for emerging infectious disease detection.
Chan EH, Brewer TF, Madoff LC, Pollack MP, Sonricker AL, Keller M, Freifeld CC, Blench M, Mawudeku A, Brownstein JS

Association between fine particulate matter and diabetes prevalence in the U.S.
Pearson JF, Bachireddy C, Shyamprasad S, Goldfine AB, Brownstein JS

Information technology and global surveillance of cases of 2009 H1N1 influenza.
Brownstein JS, Freifeld CC, Chan EH, Keller M, Sonricker AL, Mekaru SR, Buckeridge DL

Characteristics of US public schools with reported cases of novel influenza A (H1N1).
Hoen AG, Buckeridge DL, Chan EH, Freifeld CC, Keller M, Charland K, Donnelly CA, Brownstein JS

Preparing for infectious disease threats at mass gatherings: the case of the Vancouver 2010 Olympic Winter Games.
Khan K, Freifeld CC, Wang J, Mekaru SR, Kossowsky D, Sonricker AL, Hu W, Sears J, Chan A, Brownstein JS

Landscape of international event-based biosurveillance.
Hartley D, Nelson N, Walters R, Arthur R, Yangarber R, Madoff L, Linge J, Mawudeku A, Collier N, Brownstein J, Thinus G, Lightfoot N

Rapid identification of myocardial infarction risk associated with diabetes medications using electronic medical records.
Brownstein JS, Murphy SN, Goldfine AB, Grant RW, Sordo M, Gainer V, Colecchi JA, Dubey A, Nathan DM, Glaser JP, Kohane IS

Evidence-based tool for triggering school closures during influenza outbreaks, Japan.
Sasaki A, Hoen AG, Ozonoff A, Suzuki H, Tanabe N, Seki N, Saito R, Brownstein JS

The power of social networking in medicine.
Brownstein CA, Brownstein JS, Williams DS, Wicks P, Heywood JA

Evaluation of the United States Department Of Agriculture Northeast Area-wide Tick Control Project by meta-analysis.
Brei B, Brownstein JS, George JE, Pound JM, Miller JA, Daniels TJ, Falco RC, Stafford KC, Schulze TL, Mather TN, Carroll JF, Fish D

Influenza A (H1N1) virus, 2009--online monitoring.
Brownstein JS, Freifeld CC, Madoff LC

Use of unstructured event-based reports for global infectious disease surveillance.
Keller M, Blench M, Tolentino H, Freifeld CC, Mandl KD, Mawudeku A, Eysenbach G, Brownstein JS

Effect of environmental factors on the spatio-temporal patterns of influenza spread.
Charland KM, Buckeridge DL, Sturtevant JL, Melton F, Reis BY, Mandl KD, Brownstein JS

Spatiotemporal patterns of host-seeking Ixodes scapularis nymphs (Acari: Ixodidae) in the United States.
Diuk-Wasser MA, Gatewood AG, Cortinas MR, Yaremych-Hamer S, Tsao J, Kitron U, Hickling G, Brownstein JS, Walker E, Piesman J, Fish D

Validation of syndromic surveillance for respiratory infections.
Bourgeois FT, Olson KL, Brownstein JS, McAdam AJ, Mandl KD


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