GeoSentinel Publications

• Lederman E, Weld LH, Elyazar IRF, von Sonnenburg F, Loutan L, Schwartz E, Keystone JS, for the GeoSentinel Surveillance Network. Dermatologic conditions of the ill returned traveler: an analysis from the GeoSentinel Surveillance Network. Int J Infect Dis 2008; in press.
• Leder K, Wilson ME, Freedman, DO, Torresi J. A comparative analysis of methodological approaches used for estimating risk in travel medicine. J Travel Med 2008; in press.
• Greenwood Z, Black J, Weld L, O'Brien D, Leder K, von Sonnenburg F, Pandey P, Schwartz E, Connor BA, Brown G, Freedman DO, Torresi J, for the GeoSentinel Surveillance Network. Gastrointestinal infection among international travelers globally. J Travel Med 2008; in press.
• Davis XM, MacDonald S, Borwein S, Freedman DO, Kozarsky PE, von Sonnenburg F, Keystone JS, Lim PL, Marano N, for the GeoSentinel Surveillance Network. Health risks in travelers to China: the GeoSentinel experience and implications for the 2008 Beijing Olympics. Am J Trop Med Hyg 2008 Jul;79(1):4-8.
• Schwartz E, Weld LH, Wilder-Smith A, von Sonnenburg F, Keystone JS, Kain KC, Torresi J, Freedman DO, for the GeoSentinel Surveillance Network. Seasonality, annual trends, and characteristics of dengue among ill returned travelers, 1997-2006. Emerg Infect Dis 2008 Jul;14(7):1081-8.
• Gautret P, Shaw M, Soula G, Gazin P, Delmont J, Parola P, Soavi MJ, Brouqui P, Matchett DE, Torresi J. Rabies post-exposure prohylaxis in returned injured travelers from France, Australia and New Zealand: a retrospective study. J Travel Med 2008 Jan-Feb;15(1):25-30.
• Lipner EM, Law MA, Barnett E, Keystone JS, von Sonnenburg F, Loutan L, Prevots DR, Klion AD, Nutman TB, for the GeoSentinel Surveillance Network. Filariasis in travelers presenting to the GeoSentinel Surveillance Network. PLoS Negl Trop Dis 2007 Dec 26;1(3):e88.
• Boggild AK, Costiniuk C, Kain KC, Pandey P. Environmental hazards in Nepal: Altitude illness, environmental exposures, injuries, and bites in travelers and expatriates. J Travel Med 2007 Nov-Dec;14(6):361-8.
• Wilson ME and Freedman DO. Etiology of travel-related fever. Curr Opin Infect Dis 2007 Oct;20(5):449-53.
• Wilson ME, Weld LH, Boggild A, Keystone JS, Kain KC, von Sonnenburg F, Schwartz E, for the GeoSentinel Surveillance Network. Fever in returned travelers: Results from the GeoSentinel Surveillance Network. Clin Infect Dis 2007 June 15;44:1560-68.
• Gautret P, Parola P, Shaw M, Torresi J. Rabies preexposure vaccination in travelers. J Travel Med 2007 Mar/Apr; 14(2):135.
• Gautret P, Schwartz E, Shaw M, Soula G, Gazin P, Delmont J, Parola P, Soavi MJ, Matchett E, Brown G, Torresi J; for the GeoSentinel Surveillance Network. Animal-associated injuries and related diseases among returned travellers: A review of the GeoSentinel Surveillance Network. Vaccine 2007 Mar 30; 25(14):2656-63.
• Leder K, Weld L, Freedman DO, Black J, Torresi J. Reply to Behrens et al. Clin Infect Dis 2007 Mar 1;44(5):762-3.
• Fenner L, Weber R, Steffen R, Schlagenhauf P. Imported infectious disease and purpose of travel, Switzerland. Emerg Infect Dis 2007 Feb;13(2):217-22.
• Leder K, Tong S, Weld L, Kain KC, Wilder-Smith A, von Sonnenburg F, Black J, Brown GV, Torresi J, for the GeoSentinel Surveillance Network. Illness in travelers visiting friends and relatives: a review of the GeoSentinel Network. Clin Infect Dis 2006 Nov 1;43(9):1185-93.
• Boggild AK, Yohanna S, Keystone JS, Kain KC. Prospective analysis of parasitic infections in Canadian travelers and immigrants. J Travel Med 2006 May-Jun;13(3):138-44.
• Freedman DO, Weld LH, Kozarsky PE, Fisk T, Robins R, von Sonnenburg F, Keystone JS, Pandey P, Cetron MS, for the GeoSentinel Surveillance Network. Spectrum of disease and relation to place of exposure among ill returned travelers. N Engl J Med 2006 Jan 12;354(2):119-30.
• CDC. Reported by: Kay C, Patrick D, Keystone J, Bodie-Collins M, Riera C, Puello J, Jelinek T, Freedman D, Kozarsky P, Reed C, et al. Transmission of malaria in resort areas --- Dominican Republic, 2004. MMWR Morb Mortal Wkly Rep 2005;53(51&52):1195-8.
• Freedman DO and Leder K. Influenza: Changing approaches to prevention and treatment in travelers. J Travel Med 2005 Jan-Feb;12(1):36-44.
• Leder K, Black J, O’Brien D, Greenwood Z, Kain KC, Schwartz E, Brown G, and Torresi J, for the GeoSentinel Surveillance Network. Malaria in travelers: a review of the GeoSentinel Surveilance Network. Clin Infect Dis 2004 Oct 15;39(8):1104-12.
• Elliott JH, O’Brien D, Leder K, Kitchener S, Schwartz E, Weld L, Brown GV, Kain KC, and Torresi J, for the GeoSentinel Surveillance Network. Imported Plasmodium vivax malaria: demographic and clinical features in nonimmune travelers. J Travel Med 2004 Jul-Aug;11(4):213-7.
• Schwartz E, Bujanover S, Kain KC. Genetic confirmation of atovaquone-proguanil-resistant Plasmodium falciparum malaria acquired by a nonimmune traveler to East Africa. Clin Infect Dis 2003 Aug 1;37(3):450-1.
• Leder K, Sundararajan V, Weld L, Pandey P, Brown G, Torresi J for the GeoSentinel Surveillance Group. Respiratory tract infections in travelers: A review of the GeoSentinel Surveillance Network. Clin Infect Dis 2003 Feb 15;36(4):399-406.
• Wilder-Smith A, Freedman DO. Confronting the new Challenge in Travel Medicine: SARS. J Travel Med (Editorial) 2003 Sept-Oct;10(5):257-8.
• Shaw MT, Leggat PA, Weld LH, Williams ML, Cetron MS. Illness in returned travellers presenting at GeoSentinel sites in New Zealand. Aust N Z J Public Health 2003;27(1):82-6.
• Martin M, Weld LH, Tsai TF, Mootrey GT, Chen RT, Niu M, Cetron MS and the GeoSentinel Yellow Fever Working Group. Advanced age as a risk factor for illness temporally asociated with yellow fever vaccination.  Emerg Infect Dis 2001 Nov-Dec;7(6):945-51.
• Freedman DO, Kozarsky PE, Weld LH, and Cetron MS, for the GeoSentinel Study Group. SPECIAL REPORT: GeoSentinel: the Global Emerging Infections Sentinel Network of the International Society of Travel Medicine. J Travel Med 1999 Jun;6(2):94-8.

GeoSentinel ProMED-mail Postings

• Freedman DO, Burchard G. Malaria - Germany ex Bahamas: (Great Exuma). ProMED-mail. 16-APR-2008. Archive Number: 20080416.1369.
• Freedman DO, Schwartz E, von Sonnenburg F. Schistosomiasis - Tanzania (Lake Eyasi). ProMED-mail. 04-SEP-2007. Archive Number: 20070904.2912.
• Freedman DO and Schwartz E. Malaria - Israel ex Thailand. ProMED-mail. 20-MAY-2006. Archive Number: 20060520.1431.
• Freedman DO. Chikungunya - Indian Ocean Update (05): Spread to Europe [3] France (Marseilles), Switzerland (Geneva) and Germany (Munich). ProMED-mail. 04-MAR-2006. Archive Number: 20060304.0695.
• Freedman DO. Malaria - Haiti, Canada ex Haiti. ProMED-mail. 11-NOV-2005. Archive Number: 20051111.3292.
• Nutman T. Trypanosomiasis - USA ex Tanzania (Serengeti): RFI. ProMED-mail. 13-JUL-2005. Archive Number: 20050713.1989.
• Freedman DO. Wound infections, tsunami-related - Asia. ProMED-mail. 10-JAN-2005. Archive Number: 20050110.0079.
• Freedman DO. Malaria ex Dominican Republic [2] Canadian case of malaria imported from the Dominican Republic. ProMED-mail. 02-DEC-2004. Archive Number: 20041202.3217.
• McKenzie R. Hantavirus pulmonary syndrome, imported - USA. ProMED-mail. 30-MAY-2002. Archive Number: 20020530.4363.
• Freedman DO and Kozarsky PE. Dengue/DHF updates (16): 26 Apr 2002 [2] Thailand: out of season dengue outbreak in travellers to Koh Phangan. ProMED-mail. 26-APR-2002. Archive Number: 20020426.4039.
• Freedman DO. Pediatric VAQTA Hepatitis A Vaccine Recall – USA. ProMED-mail. 14-DEC-2001. Archive Number: 20011214.3027.
• Freedman DO. Anthrax bioterrorism: background & perspectives. ProMED-mail. 17-OCT-2001. Archive Number: 20011017.2556.
• Freedman DO. West Nile virus protection. ProMED-mail. 31-AUG-2001. Archive Number: 20010831.2070.
• Freedman DO. Respiratory illness - USA ex Mexico (Acapulco) (04) [1]. ProMED-mail. 12-APR-2001. Archive Number: 20010412.0727.
• Freedman DO. Trypanosomiasis, African – Tanzania. ProMED-mail. 06-NOV-2000. Archive Number: 20001106.1935.
• Freedman DO. Leptospirosis - UK, USA, Canada ex Malaysia (Borneo). ProMED-mail. 13-SEP-2000. Archive Number: 20000913.1565.
• Freedman DO. Leptospirosis - UK, USA, Canada ex Malaysia (Borneo). ProMED-mail. 12-SEP-2000. Archive Number: 20000912.1553.
• Freedman DO and Kozarsky PE. Diphtheria vaccine recall. ProMED-mail. 14-FEB-1999. Archive Number: 19990214.0194.

GeoSentinel Presentations

• Freedman DO. Role of GeoSentinel in surveillance of travel-related diseases. Northern European Conference on Travel Medicine 2008. Helsinki. May 2008.
• Davis X, Marano M, von Sonnenburg F, Keystone J, Schwartz E, Pandey P, Kozarsky K. Disease outcomes among travelers with different travel purposes: findings from GeoSentinel. Northern European Conference on Travel Medicine 2008. Helsinki. May 2008.
• Davis X, Marano M, Kozarsky P, MacDonald S, Borwein S, von Sonnenburg F, Keystone J, Lim PL, Freedman D. Traveling to China: implications for disease prevention during the 2008 Summer Olympics in Beijing. Northern European Conference on Travel Medicine 2008. Helsinki. May 2008.
• Yanni E, Bossak B, Gershman M, Mao-Davis X, Lim PL, von Sonnenburg F, Schwartz E, Keystone J, Kozarsky P. Using geographic information system methodology to map global patterns of dengue fever among patients visiting GeoSentinel clinics, 1997-2007. Northern European Conference on Travel Medicine 2008. Helsinki. May 2008.
• Schwartz E. Dengue and schistosomiasis in travelers. International Conference on Emerging Infectious Diseaes 2008. Atlanta. March 2008.
• Barnett E. GeoSentinel surveillance of emerging infections in travelers. International Conference on Emerging Infectious Diseaes 2008. Atlanta. March 2008.
• Freedman DO. GeoSentinel surveillance report. American Society of Tropical Medicine and Hygeine 56th Annual Meeting. Philadelphia. November 2007.
• Davis XM, Reed C, von Sonnenburg F, Keystone JS, Kain KC, Connor BA, Pandey P, Kozarsky PE, and the GeoSentinel Surveillance Network. Diseases among ill returned travelers to developed countries in comparison with those to developed countries. 10th Conference of the International Society of Travel Medicine. Vancouver. May 2007.
• Freedman DO. Surveillance networks - lessons and limitations. 10th Conference of the International Society of Travel Medicine. Vancouver. May 2007.
• Freedman DO. GeoSentinel surveillance update. American Society of Tropical Medicine and Hygeine 55th Annual Meeting. Atlanta. November 2006.
• Freedman DO. International disease case importation, detection and reporting outcomes - experience from a global surveillance network. American Society of Tropical Medicine and Hygeine 55th Annual Meeting. Atlanta. November 2006.
• Freedman DO. Spectrum of disease and relation to place of exposure among ill returned travelers. American Society of Tropical Medicine and Hygeine 54th Annual Meeting. Washington, DC. December 2005.
• Reed C, Freedman D, Castelli F, Chen L, Pandey P, Parola P, Schwartz E, Torresi J for the GeoSentinel Surveillance Network. Increase in hepatitis E among travelers reported to the GeoSentinel Surveillance System. 43rd Annual Meeting of the Infectious Diseases Society of America. San Francisco. October 2005.
• Greenwood Z, Black J, Weld L, O'Brien D, Leder K, Von Sonnenberg F, Pandey P, Schwartz E, Connor B, Freedman D, Brown G, Torresi J for the GeoSentinel Surveillance Group.  Regional relative rates of gastrointestinal infection among international travellers - a global perspective based on the GeoSentinel surveillance network.  9th Conference of the International Society of Travel Medicine. Lisbon, Portugal. May 2005.
• Sigel K, Rosselot G, Weld L, Pandey P, Schunk M, Connor B, Shaw M, Gurtman A for the GeoSentinel Surveillance Group.  Senior citizen travel: an analysis of the GeoSentinel surveillance network.  9th Conference of the International Society of Travel Medicine. Lisbon, Portugal. May 2005.
• Nicolls D, Weld L, Reed C, Schwartz E, von Sonnenburg F, Kozarsky P for the GeoSentinel Surveillance Group.  Schistosomiasis in travelers: a review of patients seen through the GeoSentinel surveillance network.  9th Conference of the International Society of Travel Medicine. Lisbon, Portugal. May 2005.
• Leder K, Tong S, Weld L, von Sonnenburg F, Schunk M, Kain K, Wilder-Smith A, Black J, Brown G, Torresi J for the GeoSentinel Surveillance Group.  Illness in travelers visiting friends and relatives: A review of the GeoSentinel network.  9th Conference of the International Society of Travel Medicine. Lisbon, Portugal. May 2005.
• Reed C, Cox C, Weld L, Freedman D, Kozarsky P for the GeoSentinel Surveillance Group.  Influenza morbidity among travelers to the tropics: A review of the GeoSentinel Network, January 1998 - June 2004.  9th Conference of the International Society of Travel Medicine. Lisbon, Portugal. May 2005.
• Freedman DO.  Influenza, travel, and living abroad.  African-European Conference on Travel Medicine. Capetown, South Africa. February 2004.
• Wilson ME, Schwartz E, Weld LH, and the GeoSentinel Surveillance Group.  Fever in returned travelers: An analysis of data from the GeoSentinel Surveillance Network.  American Society of Tropical Medicine and Hygiene 53rd Annual Meeting. Philadelphia, December 2003.
• Lederman ER, Elyazar IRF, Weld LH, Barcus MJ, Larasati RP, Keystone JS and the GeoSentinel Surveillance Group.  Dermatologic conditions of the returning travelers: An analysis from the GeoSentinel Surveillance Network.  ASTMH 2003. Philadephia. December 2003.
• Freedman DO.  SARS and novel surveillance techniques.  SOTAC, American College of Occupational and Environmental Medicine. Toronto, Canada. October 2003.
• Freedman DO.  SARS.  Peruvian Infectious Diseases Society. Lima, Peru. August 2003.
• Freedman D.  Emerging Infectious Diseases.  An Intensive Course in Tropical Medicine and Travel Health. Hellenic Center for Infectious Diseases Control (K.E.E.L.), Athens, Greece. July 2002.
• Weld L, Freedman D, Kozarsky P, Cetron M.  17,000 Travelers: Their journeys and the aftermath.  3rd European Conference on Travel Medicine. Florence, Italy, 15 - 18 May 2002.
• Shah J, Weld L, Maloney S, Barnett E, Cetron M.  Immigrant and refugee profiles: prevalence of medical diagnoses in patients evaluated at GeoSentinel Sites, 1996 to 2001.   3rd European Conference on Travel Medicine. Florence, Italy, 15 - 18 May 2002.
• Cetron M. The world and its moving parts. Institute of Medicine Workshop on The Impact of Globalization on Infectious Disease Emergence and Control. Washington DC. April 16, 2002.
• Cetron M.  The increased vulnerability of the adventure traveler.  International Adventure Travel & Outdoor Show 2002. Chicago. February 21, 2002.
• Freedman D, Kozarsky P and Cetron M on behalf of the GeoSentinel study group. GeoSentinel - The ISTM Global Surveillance Network. Symposium at the 7th Conference of the International Society of Travel Medicine. Innsbruck, Austria. 2001. SY07.02
• Freedman DO, Kozarsky PE, Weld LH, Srinivasan I, Cetron MS, GeoSentinel Surveillance Group. GEOSENTINEL: Highlights from international surveillance of travel and migration - related infections. International Conference on Emerging Infectious Diseases 2000;60:127:147.

GeoSentinel Citations

• Doudier B, Bogreau H, DeVries A, Poncon N, Stauffer III, WM, Fontenille D, Rogier C, Parola P. Possible autochtonous malaria from Marseille to Minneapolis. Emerg Infect Dis 2007 Aug;13(8):1236-8.
• Ledford H. Jetsetters are key clues to epidemics: Travellers who bring illness home act as sentinels of disease. news@nature.com Published online: 29 Jan 2007; doi:10.1038/news070129-5.
• Ross K. Tracking the spread of infectious disease: Two networks prove the power of international collaboration. EMBO Rep 2006 Sep;7(9):855-8.
• Public Health Agency Canada (PHAC) Travel Medicine Program Travel Health Advisory. Malaria in the Dominican Republic. January 31, 2006.
• Hill DR. The burden of illness in international travelers. N Engl J Med 2006 Jan 12;354(2):115-7.
• Post-tsunami drug donations not being fully utilized. Asian Wall Street Journal, 2 February 2005.
• Liz Szabo. Gangrene follows in tsunami's path. USA Today, 1/17/2005, pg D7.
• Angell SY and Cetron MS. Health disparities among travelers visiting friends and relatives abroad. Ann Intern Med 2005 Jan 4;142(1):67-72.
• Bacaner N, Stauffer W, Boulware DR, Walker PF, Keystone JS. Travel medicine considerations for North American immigrants visiting friends and relatives. JAMA 2004 Jun 16;291(23):2856-64.
• An assessment for the development of a national surveillance system for travel acquired enteric disease. Canada Communicable Disease Report 2004 Apr 15;30(8):69-79. 
• Lisa Splitlog. How CDC protects travelers in an ever shrinking world. The Front Line: Newsletter of the CDC Foundation, Spring 2004. 
• Zoler M. Clinical Rounds: Worldwide registry - Travelers' unwanted souvenirs: skin disorders and fever. Skin and Allergy News 2004 March;35(3):31.
• Rosselot G. Travel health nursing: expanding horizons for occupational health nurses. AAOHN J 2004 Jan;52(1):28-41.
• Redman CA and Walker E. Sentinel surveillance of imported infections: a worldwide issue. SCIEH (Scottish Centre for Infections and Environmental Health) Weekly Report 2003;37(46):282-3.
• Sejvar J, Bancroft E, Winthrop K, Bettinger J, Bajani M, Bragg S, Shutt K, Kaiser R, Marano N, Popovic T, Tappero J, Ashford D, Mascola L, Vugia D, Perkins B, Rosenstein N and the Eco-Challenge Investigation Team. Leptospirosis in “Eco-Challenge” athletes, Malaysian Borneo, 2000. Emerg Infect Dis 2003 Jun;9(6):702-7.
• John Roark. SARS and global surveillance. Infection Control Today, 05/01/2003. 
• Outbreak of Severe Acute Respiratory Syndrome --- Worldwide 2003. MMWR Morb Mortal Wkly Rep 2003; 52(11):226-8.
• Update: Outbreak of acute febrile illness among athletes participating in Eco-Challenge-Sabah 2000 --- Borneo, Malaysia, 2000. MMWR Morb Mortal Wkly Rep 2001;50(02);21-4.
• ProMED. West Nile virus - USA: Summary to date. ProMED-mail. 22-OCT-1999. Archive Number: 19991022.1890.
• Centers for Disease Control and Prevention. Preventing emerging infectious diseases: a strategy for the 21st century. Atlanta, Georgia: U.S. Department of Health and Human Services; 1998.