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2023
Wymer, L. AND A. Dufour. Secondary infections of gastrointestinal illness transmitted to family members by swimmers with swimming- associated G. I. Illness. 2023 Great Lakes Beach Association Conference, Sturgeon Bay, WI, October 16 - 18, 2023.
2022
Wade, T., B. Arnold, K. Schiff, J. Colford, S. Weisberg, J. Griffith, AND A. Dufour. Health risks to children from exposure to fecally-contaminated recreational water. PLOS ONE
. Public Library of Science, San Francisco, CA, (4):17, (2022). https://doi.org/10.1371/journal.pone.0266749
Robillard, M., A. DelaCruz, S. Augustine, AND A. Dufour. Investigating immune responses to Harmful Algal Bloom cyanotoxins in protection of human health and the environment. 2022 Virtual ROCS-Net Event, NA, OH, April 04 - 06, 2022.
2021
Dufour, A. A short history of methods used to measure bathing beach water quality. JOURNAL OF MICROBIOLOGICAL METHODS. Elsevier Science Ltd, New York, NY, 181:106134, (2021). https://doi.org/10.1016/j.mimet.2021.106134
Wymer, L., T. Wade, E. Sams, K. Oshima, AND A. Dufour. Comparative stability of assay results of enterococci measured by culture and qPCR over time in bathing beach waters. JOURNAL OF MICROBIOLOGICAL METHODS. Elsevier Science Ltd, New York, NY, 188:106274, (2021). https://doi.org/10.1016/j.mimet.2021.106274
Egorov, A., S. Griffin, R. Converse, L. Wickersham, E. Klein, R. Bonasso, J. Styles, J. Kobylanski, E. Sams, E. Hudgens, A. Dufour, AND Tim Wade. Recreational water exposure is associated with asymptomatic and symptomatic salivary antibody immunoconversions to waterborne pathogens. National Recreational Water Quality Workshop, Chicago, IL, April 06 - 08, 2021.
Augustine, S., T. Eason, Tim Wade, S. Griffin, E. Sams, K. Simmons, M. Ramudit, K. Oshima, AND A. Dufour. Salivary Antibodies against Multiple Environmental Pathogens Found in Individuals Recreating at an Iowa Beach. International Journal of Environmental Research and Public Health. Molecular Diversity Preservation International, Basel, Switzerland, 18(11):5797, (2021). https://doi.org/10.3390/ijerph18115797
2020
Eftim, S., A. Goldstone, A. Dufour, S. Nappier, T. Wade, AND G. Russo. Evaluating Health Risks Associated with Exposure to Ambient Surface Waters During Recreational Activities: A Systematic Review and Meta-Analysis. WATER RESEARCH. Elsevier Science Ltd, New York, NY, 176:115729, (2020). https://doi.org/10.1016/j.watres.2020.115729
Augustine, S., T. Eason, S. Griffin, K. Simmons, E. Sams, K. Oshima, A. Dufour, AND Tim Wade. Linking human health effects to water quality using a rapid, noninvasive salivary-IgG antibody multiplex immunoassay. Immunology 2020 (meeting cancelled and abstract published on-line), Honolulu, Hawaii, May 08 - 12, 2020.
Augustine, S., T. Eason, K. Simmons, S. Griffin, C. Curioso, M. Ramudit, E. Sams, K. Oshima, A. Dufour, AND Tim Wade. Rapid Salivary IgG Antibody Screening for Hepatitis A. JOURNAL OF CLINICAL MICROBIOLOGY. American Society for Microbiology, Washington, DC, 58(10):e00358-20, (2020). https://doi.org/10.1128/JCM.00358-20
2019
Wade, T., S. Griffin, A. Egorov, E. Sams, E. Hudgens, S. Augustine, S. Deflorio-Barker, T. Plunkett, A. Dufour, J. Styles, AND K. Oshima. Application of a multiplex salivary immunoassay to detect sporadic incident norovirus infections. Scientific Reports. Nature Publishing Group, London, Uk, 9(19576):1, (2019). https://doi.org/10.1038/s41598-019-56040-7
Briggs, S., M. Sivaganesan, O. Shanks, R. Haugland, S. Siefring, M. Varma, K. Oshima, A. Dufour, S. Nappier, AND B. Schnitker. Derivation of the equivalent qPCR value for Escherichia coli to existing culture-based water quality standards for monitoring beaches in Michigan. IWA 20th International Symposium on Health Related Water Microbiology, Vienna, AUSTRIA, September 15 - 20, 2019.
Simmons, K., T. Eason, C. Curioso, S. Griffin, M. Ramudit, K. Oshima, E. Sams, T. Wade, A. Grimm, A. Dufour, AND S. Augustine. Visitors to a Tropical Marine Beach Show Evidence of Immunoconversions to Multiple Waterborne Pathogens. Frontiers in Public Health. Frontiers, Lausanne, Switzerland, (7):231, (2019). https://doi.org/10.3389/fpubh.2019.00231
2018
Wade, Tim, S. Griffin, A. Egorov, E. Sams, E. Hudgens, S. Deflorio-Barker, T. Plunkett, A. Dufour, J. Styles, AND K. Oshima. Application of a multiplex salivary immunoassay to detect sporadic incident norovirus infections in a prospective community study. Society for Epidemiologic Research, Baltimore, Maryland, June 19 - 22, 2018.
Wade, Tim, S. Augustine, S. Griffin, E. Sams, K. Oshima, A. Egorov, K. Simmons, T. Eason, AND A. Dufour. Asymptomatic norovirus infection associated with swimming at a tropical beach: A prospective cohort study. PLOS ONE
. Public Library of Science, San Francisco, CA, 13(3):e0195056, (2018).
Deflorio-Barker, S., B. Arnold, E. Sams, A. Dufour, J. Colford, S. Weisberg, K. Schiff, AND Tim Wade. Child environmental exposures to water and sand at the beach: Findings from studies of over 68,000 subjects at 12 beaches. Journal of Exposure Science and Environmental Epidemiology . Nature Publishing Group, London, Uk, 28(2):93-100, (2018).
Napier, M., C. Poole, J. Stewart, D. Weber, S. Glassmeyer, D. Kolpin, E. Furlong, A. Dufour, AND Tim Wade. Exposure to human-associated chemical markers of fecal contamination and self-reported illness among swimmers at recreational beaches. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 52(13):7513-7523, (2018). https://doi.org/10.1021/acs.est.8b00639
2017
Benjamin-Chung, J., B. Arnold, Tim Wade, K. Schiff, J. Griffith, A. Dufour, S. Weisberg, AND J. Colford. Coliphages and gastrointestinal illness in recreational waters: pooled analysis of six coastal beach cohorts. EPIDEMIOLOGY. Lippincott Williams & Wilkins, Philadelphia, PA, 28(5):644-652, (2017).
Napier, M., Rich Haugland, C. Poole, A. Dufour, J. Stewart, D. Weber, M. Varma, J. Lavender, AND Tim Wade. Exposure to human-associated fecal indicators and self-reported illness among swimmers at recreational beaches: A cohort study. ENVIRONMENTAL HEALTH. Academic Press Incorporated, Orlando, FL, 16(1):103, (2017). https://doi.org/10.1186/s12940-017-0308-3
Augustine, S., K. Simmons, T. Eason, C. Curioso, S. Griffin, Tim Wade, A. Dufour, Shay Fout, A. Grimm, K. Oshima, E. Sams, MaryJean See, AND L. Wymer. Immunoprevalence to Six Waterborne Pathogens in Beachgoers at Boquerón Beach, Puerto Rico: Application of a Microsphere-Based Salivary Antibody Multiplex Immunoassay. Frontiers in Public Health. Frontiers, Lausanne, Switzerland, 5(84):1-11, (2017).
2016
Lin, C., Tim Wade, E. Sams, A. Dufour, A. Chapman, AND E Hilborn. A prospective study of marine phytoplankton and reported illness among recreational beachgoers in Puerto Rico, 2009. ENVIRONMENTAL HEALTH PERSPECTIVES. National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, NC, 124(4):477-483, (2016).
Arnold, B., Tim Wade, J. Benjamin-Chung, K. Schiff, J. Griffith, A. Dufour, S. Weisberg, AND J. Colford. Acute Gastroenteritis and Recreational Water: Highest Burden Among Young US Children. American Journal of Public Health. American Public Health Association, Washington, DC, 106(9):1690-97, (2016).
Deflorio-Barker, S., B. Arnold, J. Colford, S. Weisberg, K. Schiff, E. Sams, A. Dufour, AND Tim Wade. Children’s exposures to water and sand at the beach: Findings from studies of over 80,000 subjects at 13 beaches. EPA 2016 Recreational Water Conference, New Orleans, LA, April 12 - 15, 2016.
Wade, Tim, S. Augustine, S. Griffin, K. Simmons, T. Eason, K. Oshima, E. Sams, A. Egorov, AND A. Dufour. Evidence for asymptomatic norovirus infection transmission associated with swimming at a tropical beach. Soceity for Epidemiology Research, Miami, FL, June 07 - 16, 2016.
Deflorio-Barker, S., B. Arnold, E. Sams, A. Dufour, J. Colford, S. Weinberg, K. Schiff, AND Tim Wade. Incidence and public health burden of sunburn among beachgoers in the United States. APHA, Denver, CO, October 29 - November 02, 2016.
Krueger, W., E Hilborn, A. Dufour, E. Sams, AND Tim Wade. Self-reported acute health symptoms and exposure to companion animals. Zoonoses and Public Health. Blackwell Verlag GmbH, Berlin, Germany, 63(4):311-19, (2016).
2015
Wade, Tim, W. Krueger, E. Sams, R. Converse, E. Hudgens, AND A. Dufour. Health risks associated with swimming at an inland river. Presented at Society for Epidemiological Research, Denver, CO, June 16 - 19, 2015.
Augustine, S., K. Simmons, T. Eason, S. Griffin, C. Curioso, L. Wymer, Shay Fout, A. Grimm, K. Oshima, AND A. Dufour. Statistical approaches to developing a multiplex immunoassay for determining human exposure to environmental pathogens. JOURNAL OF IMMUNOLOGICAL METHODS. Elsevier Science Ltd, New York, NY, 425(10):1-9, (2015).
Collier, S., Tim Wade, E. Sams, M. Hlvasa, A. Dufour, AND M. Beach. Swimming in the USA: Beachgoer Characteristics and Health Outcomes at U.S. Marine and Freshwater Beaches. JOURNAL OF WATER AND HEALTH. IWA Publishing, London, Uk, 13(2):531-43, (2015).
2014
Suppes, L., L. Abrell, A. Dufour, AND K. Reynolds. Assessment of swimmer behaviors on pool water ingestion. JOURNAL OF WATER AND HEALTH. IWA Publishing, London, Uk, 12(2):269-279, (2014).
Lin, C., E. Hilborn, E. Sams, A. Dufour, A. Chapman, AND Tim Wade. Associations between marine phytoplankton and symptoms of illness among recreational beachgoers in Puerto Rico, 2009. Presented at Microbial Contaminants from Watersheds to Human Exposure Meeting, Chapel Hill, NC, May 05 - 09, 2014.
Haugland, Rich, S. Siefring, M. Varma, A. Dufour, K. Brenner, Tim Wade, E. Sams, S. Cochran, S. Braun, AND Mano Sivaganesan. Standardization of enterococci density estimates by EPA qPCR methods and comparison of beach action value exceedances in river waters with culture methods. JOURNAL OF MICROBIOLOGICAL METHODS. Elsevier Science Ltd, New York, NY, 105(7):59-66, (2014).
Heaney, C., N. Exum, A. Dufour, K. Brenner, Rich Haugland, E. Chern, K. Schwab, D. Love, M. Serre, R. Noble, AND Tim Wade. Water Quality, Weather and Environmental Factors Associated with Fecal Indicator Organism Density in Beach Sand at Two Recreational Marine Beaches. SCIENCE OF THE TOTAL ENVIRONMENT. Elsevier BV, AMSTERDAM, Netherlands, 497(11):440-447, (2014).
2013
WYMER, L. J., T. J. WADE, AND A. P. DUFOUR. Equivalency of risk for a modified health endpoint: a case from recreational water epidemiology studies. BMC PUBLIC HEALTH. BioMed Central Ltd, London, Uk, 13(459):1-8, (2013).
Wade, Tim, R. Converse, E. Sams, A. Williams, E. Hudgens, AND A. Dufour. Gastrointestinal symptoms among swimmers following rain events at a beach impacted by urban runoff. Presented at Society for Epidemiological Research, Boston, MA, June 18 - 21, 2013.
Hilborn, E, C. Lin, E. Sams, A. Chapman, A. Dufour, AND Tim Wade. Health effects associated with cyanobacteria exposure among beach attendees in Puerto Rico. Presented at International Conference on Toxic Cyanobacteria, Johannesburg, SOUTH AFRICA, August 11 - 16, 2013.
Wade, Tim, E. Sams, Rich Haugland, AND A. Dufour. Overview of Recent Marine and Freshwater Recreational Epidemiology Studies and Their Findings. Presented at WEFTEC, Chicago, IL, October 05 - 09, 2013.
Wade, Tim, E. Sams, M. Beach, S. Collier, AND A. Dufour. The incidence and health burden of earaches attributable to recreational swimming in natural waters: A prospective cohort study. ENVIRONMENTAL HEALTH. Academic Press Incorporated, Orlando, FL, 21:12-67, (2013).
2012
Converse, R., L. Wymer, A. Dufour, AND Tim Wade. Comparison of the Multiple-sample means with composite sample results for fecal indicator bacteria by quantitative PCR and culture. APPLIED AND ENVIRONMENTAL MICROBIOLOGY. American Society for Microbiology, Washington, DC, 78(19):7166-69, (2012).
Converse, R., J. Kinzelman, E. Sams, E. Hudgens, A. Dufour, H. Ryu, J. Santo-Domingo, C. Kelty, O. Shanks, S. Siefring, R. Haugland, AND Tim Wade. Dramatic Improvements in Beach Water Quality Following Gull Removal. ENVIRONMENTAL SCIENCE AND TECHNOLOGY. John Wiley & Sons, Ltd., Indianapolis, IN, 48(18):10206-13, (2012).
Converse, R., E. A. SAMS, T. J. WADE, A. P. DUFOUR, J. S. JAGAI, AND A. Egorov. Feasibility of Serial Saliva Collection for Surveillance of Swimming-Associated Illness. Presented at International Society for Environmental Epidemiology (ISEE) Annual Meeting, Columbia, SC, August 27 - 30, 2012.
Heaney, C. D., E. A. SAMS, A. P. DUFOUR, K. P. BRENNER, R. A. HAUGLAND, E. C. CHERN, S. Wing, S. Marshall, D. C. Love, M. Serre, R. Noble, AND T. J. WADE. Fecal indicators in sand, sand contact, and risk of enteric illness among beach-goers. EPIDEMIOLOGY. Lippincott Williams & Wilkins, Philadelphia, PA, 23(1):95-106, (2012).
Wade, Tim, A. Dufour, AND E. Sams. Health burden of gastrointestinal symptoms resulting from swimming in fecally-contaminated recreational waters. Presented at Water and Health Conference, October 29 - November 02, 2012.
WADE, T. J., A. P. DUFOUR, E. A. SAMS, AND M. Beach. Incidence and burden of earaches due to recreational swimming: Results from a nationwide study ofover 50,000 respondents. Presented at International Society of Environmental Epidemiology (ISEE) Annual Meeting, Columbia, SC, August 26 - 30, 2012.
Converse, R., J. Kinzelman, E. E. HUDGENS, E. A. SAMS, A. P. DUFOUR, AND T. J. WADE. Reductions in Gull Populations Improve Beachwater Quality. Presented at American Society for Microbiology General Meeting, San Francisco, CA, June 16 - 19, 2012.
2011
WADE, T. J. AND A. P. DUFOUR. Recreational water exposures and health effects at a tropical and a runoff impacted beach. Presented at National Beaches Conference, Miami, FL, March 15 - 17, 2011.
2010
WADE, T. J., E. A. SAMS, R. Haugland, K. P. BRENNER, L. J. WYMER, K. OSHIMA, AND A. P. DUFOUR. Overview of risk assessment in new EPA epidemiology studies. Presented at Water and Health: Where Science Meets Policy Conference, Chapel Hill, NC, October 24, 2010.
WADE, T. J., E. A. SAMS, K. P. BRENNER, R. A. HAUGLAND, E. C. CHERN, M. Beach, L. J. WYMER, C. C. RANKIN, D. Love, Q. Li, R. Noble, AND A. P. DUFOUR. Rapidly measured indicators of recreational water quality andswimming-associated illness at marine beaches: a prospective cohort study. ENVIRONMENTAL HEALTH. Academic Press Incorporated, Orlando, FL, 9(1):66, (2010).
2009
WADE, T. J., E. A. SAMS, K. P. BRENNER, R. A. HAUGLAND, L. J. WYMER, AND A. P. DUFOUR. A high sensitivity of children to swimming associated gastrointestinal illness (response to letter by Linn). EPIDEMIOLOGY. Lippincott Williams & Wilkins, Philadelphia, PA, 20(1):157, (2009).
WADE, T. J., A. P. DUFOUR, AND E. A. SAMS. Assessment of exposures to fecally-contaminated recreational water. Presented at International Society of Exposure Science (ISES), Minneapolis, MN, November 01 - 05, 2009.
Heaney, C. D., T. J. WADE, E. A. SAMS, R. L. CALDERON, M. Beach, AND A. P. DUFOUR. Contact with beach sand among beach-goers and risk of illness. AMERICAN JOURNAL OF EPIDEMIOLOGY. Johns Hopkins Bloomberg School of Public Health, 170(2):164-172, (2009).
Heaney, Christopher, E. A. SAMS, K. P. BRENNER, R. A. HAUGLAND, L. J. WYMER, A. P. DUFOUR, AND T. J. WADE. Contact with beach sand, concentrations of fecal indicators, and enteric illness risk. Presented at BEACHES conference, Huntington Beach, CA, April 20 - 22, 2009.
WADE, T. J., E. A. SAMS, K. P. BRENNER, L. J. WYMER, R. A. HAUGLAND, A. P. DUFOUR, AND A. P. DUFOUR. Health effects and water quality at marine sites: Results from the National Epidemiologic and Environmental Assessment of Recreational Water. Presented at BEACHES conference, Huntington, CA, April 20 - 22, 2009.
Telech, J., K. P. BRENNER, R. A. HAUGLAND, E. A. SAMS, A. P. DUFOUR, AND T. J. WADE. Modeling enterococcus densities measured by quantitative polymerase chain reaction and membrane filtration using environmental conditions at four Great Lakes beaches. WATER RESEARCH. Elsevier Science Ltd, New York, NY, 43(19):4947-4955, (2009).
2008
LI, L. AND A. P. DUFOUR. Interferon Gamma as a Biomarker of Exposure to Enteric Viruses. Presented at 2008 Joint ISEE-ISEA Conference, Pasenda, CA, October 12 - 16, 2008.
LI, L. AND A. P. DUFOUR. Loss of Virus-Specific Memory T. cells in Coxsackievirus B3 and B4 Infected Mice. Presented at FOCIS Meeting, Boston, MA, June 05 - 09, 2008.
2007
HEANEY, C. D., T. J. WADE, E. A. SAMS, R. L. CALDERON, K. P. BRENNER, M. BEACH, AND A. P. DUFOUR. DOES CONTACT WITH SAND AT BEACHES INCREASE THE RISK OF ILLNESS? Presented at Society for Epidemiologic Research (SER), Boston, MA, June 20 - 23, 2007.
MCDANIELS, A. E., C. C. RANKIN, L. J. WYMER, A. P. DUFOUR, AND K. OSHIMA. EFFICIENT RECOVERY OF ENTEROCOCCI FROM MARINE AND FRESH WATER BEACHES BY A 30,000 MOLECULAR WEIGHT CUTOFF HOLLOW FIBER ULTRAFILTER. Presented at American Society for Microbiology General 107th Meeing, Toronto, ON, CANADA, May 21 - 25, 2007.
DUFOUR, A. P. EPA'S EXPERTISE IN MICROBIOLOGICAL AND CHEMICAL DETECTION. Presented at 2007 Clean Water Partnership Summit, Cincinnati, OH, September 05 - 06, 2007.
DUFOUR, A. P. Incidental Water Ingestion During Recreational Swimming. Presented at 2007 International Society for Exposure Analysis Annual Meeting, Raleigh, NC, October 15 - 18, 2007.
DUFOUR, A. P. REAL-TIME MICROBIAL ENSOR FOR RECREATIONAL WATER. Presented at 2007 Clean Water Summit, Cincinnati, OH, September 05, 2007.
DUFOUR, A. P. RECREATIONAL WATER QUALITY AND SWIMMING ASSOCIATED HEALTH EFFECTS - 7TH ANNUAL WATER MONITORING CONFERENCE. Presented at 7th Annual Water Monitoring Conference, Ames, IA, February 01 - 02, 2007.
WADE, T. J., R. L. CALDERON, E. A. SAMS, M. BEACH, K. P. BRENNER, A. P. DUFOUR, AND SWIMMING ASSOCIATED ILLNESS AND RAPID MEASURES OF WATER QUALITY AT A GULF BEACH. Presented at National Environmental Health Association Annual Meeting, Atlantic City, NJ, June 18 - 21, 2007.
WYMER, L. J., A. P. DUFOUR, AND C. MCGEE. TEMPORAL VARIABILITY OF MICROBIAL INDICATORS OF FECAL CONTAMINATION OF MARINE AND FRESHWATER BEACHES. Presented at American Society for Microbiology General 107th Meeting, Toronto, BC, CANADA, May 21 - 25, 2007.
DUFOUR, A. P. AND S. SCHAUB. THE EVOLUTION OF WATER QUALITY IN THE UNITED STATES - 1922-2003. Chapter 1, L. J. Wymer (ed.), Statistical Framework for Recreational Water Quality Criteria and Monitoring. John Wiley and Sons, LTD, , Uk, , 1-12, (2007).
2006
WADE, T. J., R. L. CALDERON, E. A. SAMS, M. BEACH, K. P. BRENNER, AND A. P. DUFOUR. *A FASTER METHOD OF MEASURING RECREATIONAL WATER QUALITY FOR BETTER PROTECTION OF SWIMMER'S HEALTH. Presented at National Beaches Conference, Niagara Falls, NY, October 11 - 13, 2006.
WADE, T. J., R. L. CALDERON, E. A. SAMS, M. BEACH, K. P. BRENNER, AND A. P. DUFOUR. A FASTER METHOD OF MEASURING RECREATIONAL WATER QUALITY FOR BETTER PROTECTION OF SWIMMER'S HEALTH. Presented at International Society for Environmental Epidemiology Annual Meeting, Paris, FRANCE, September 02 - 06, 2006.
EVANS, O. M., L. J. WYMER, T. D. BEHYMER, AND A. P. DUFOUR. AN OBSERVATIONAL STUDY: DETERMINATION OF THE VOLUME OF WATER INGESTED DURING RECREATIONAL SWIMMING ACTIVITIES. Presented at National Beaches Conference, Niagra Falls, NY, October 10 - 13, 2006.
WADE, T. J., R. L. CALDERON, E. A. SAMS, M. BEACH, K. P. BRENNER, A. H. WILLIAMS, AND A. P. DUFOUR. CAN RAPID MEASURES OF RECREATIONAL WATER QUALITY PREDICT SWIMMING ASSOCIATED GASTROINTESTINAL ILLNESS? ENVIRONMENTAL HEALTH PERSPECTIVES. National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, NC, 114(1):24-28, (2004).
BISSONETTE, E., G. CARROLL, A. P. DUFOUR, J. A. GOODRICH, B. HENDERSON, L. NEWLAND, C. SODERBERG, F. GILBES, F. ROMAN, I. SANTIAGO, J. R. SANTOS, G. TORANZOS, AND H. SALAS. COLLOQUIUM ON WATER QUALITY MONITORING AND TESTING IN LATIN AMERICA AND THE CARRIBEAN. Colloquium on Water Quality Monitoring and Testing in Latin American and the Caribbean, San Juan, PR, October 25 - 27, 2005. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-07/030.
WYMER, L. J., A. P. DUFOUR, R. A. HAUGLAND, K. P. BRENNER, R. L. CALDERON, T. J. WADE, E. A. SAMS, AND M. BEACH. COMPARISON OF ILLNESS ENDPOINTS IN SWIMMERS' HEALTH STUDIES. Presented at National Beaches Conference, Niagra Falls, NY, October 10 - 12, 2006.
WYMER, L. J., A. P. DUFOUR, R. A. HAUGLAND, K. P. BRENNER, R. L. CALDERON, T. J. WADE, E. A. SAMS, AND M. BEACH. COMPARISON OF ILLNESS ENPOINTS IN SWIMMER'S HEALTH STUDIES. Presented at National Beaches Conference, Niagara Falls, NY, October 10 - 12, 2006.
KINZELMAN, J. L., A. P. DUFOUR, L. J. WYMER, G. REES, K. R. POND, AND R. C. BAGLEY. COMPARISON OF MULTIPLE POINT AND COMPOSITE SAMPLING FOR THE PURPOSE OF MONITORING BATHING WATER QUALITY. LAKE AND RESERVOIR MANAGEMENT. North American Lake Management Society, Madison, WI, 22(2):95-102, (2006).
LI, L. AND A. P. DUFOUR. DEVELOPMENT OF A BIOMARKER SYSTEM FOR DETECTING EXPOSURE TO WATERBORNE VIRAL PATHOGENS. Presented at 2006 EPA Science Forum, Washington, DE, May 16 - 18, 2006.
LI, L. AND A. P. DUFOUR. DEVELOPMENT OF BIOMARKER OF EXPOSURE TO VIRAL PATHOGENS. Presented at FOCIS, San Francisco, CA, June 01 - 05, 2006.
HAUGLAND, R. A., S. SIEFRING, M. VARMA, E. ATIKOVIC, K. P. BRENNER, A. P. DUFOUR, AND L. J. WYMER. EVALUATION OF MATRIX EFFECTS FROM NATIONWIDE INLAND SURFACE WATERS ON QUANTITATION POLYMERASE CHAIN REACTION ANALYSIS FOR FECAL INDICATOR BACTERIA. Presented at National Beaches Conference, Niagra Falls, NY, October 11 - 13, 2006.
HEANEY, C. D., T. J. WADE, R. L. CALDERON, E. A. SAMS, M. BEACH, K. P. BRENNER, AND A. P. DUFOUR. EXPOSURE TO SAND DURING BEACH RECREATION AND RISK OF ILLNESS: RESULTS FROM THE NATIONAL EPIDEMIOLOGICAL AND ENVIRONMENTAL ASSESSMENT OF RECREATIONAL (NEEAR) WATER STUDY. Presented at National Beaches Conference, Niagara Falls, NY, October 11 - 13, 2006.
DUFOUR, A. P. FOOTPRINTS IN THE SAND: WHERE WE HAVE COME FROM AND WHERE WE NEED TO GO IN RECREATIONAL WATER RESEARCH. Presented at American Society for Microbiology Annual Meeting, Orlando, GA, May 25, 2006.
EVANS, O. M., L. J. WYMER, T. D. BEHYMER, AND A. P. DUFOUR. HOW MUCH WATER DO SWIMMERS DRINK? Presented at World Aquatic Health Conference, Austin, TX, September 19 - 21, 2006.
DUFOUR, A. P. METHODS AND MICROBES FOR MEASURING THE QUALITY OF RECREATIONAL WATERS: PAST, PRESENT AND FUTURE. Presented at Florida Branch of the American Society for Microbiology, Cocoa Beach, FL, March 31 - April 01, 2006.
DUFOUR, A. P. AND L. J. WYMER. MICROBES, MONITORING AND HUMAN HEALTH. OCEANOGRAPHY. Oceanography Society, Rockville, MD, 19(2):72-80, (2006).
BRENNER, K. P., R. L. CALDERON, A. P. DUFOUR, R. A. HAUGLAND, E. A. SAMS, T. J. WADE, S. SIEFRIENG, AND M. BEACH. RAPID HEALTH-BASED METHOD FOR MEASURING MICROBIAL INDICATORS OF RECREATIONAL WATER QUALITY. Presented at EPA Science Forum, Washington, DC, May 16 - 18, 2006.
BRENNER, K. P., R. L. CALDERON, A. P. DUFOUR, R. A. HAUGLAND, E. A. SAMS, T. J. WADE, AND S. SIEFRING. RAPID HEALTH-BASED METHOD FOR MEASURING MICROBIAL INDICATORS OF RECREATIONAL WATER QUALITY - 2006 EPA SCIENCE FORUM. Presented at 2006 EPA Science Forum, Washington, DC, May 16 - 18, 2006.
Wade, T, R L. Calderon, E A. Sams, M. Beach, K P. Brenner, A. H. Williams, AND A P. Dufour. RAPIDLY MEASURED INDICATORS OF RECREATIONAL WATER QUALITY ARE PREDICTIVE OF SWIMMING ASSOCIATED GASTROINTESTINAL ILLNESS. ENVIRONMENTAL HEALTH PERSPECTIVES. National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, NC, 114(1):24-28, (2004).
SAMS, E. A., T. J. WADE, R. L. CALDERON, M. BEACH, K. P. BRENNER, AND A. P. DUFOUR. RAPIDLY-MEASURED INDICATORS OF RECREATIONAL WATER QUALITY ARE PREDICTIVE OF SWIMMING-ASSOCIATED GASTROINTESTINAL ILLNESS. Presented at National Environmental Health Association 70th Annual Educational Conference (AEC), San Antonio, TX, June 25 - 28, 2006.
SAMS, E. A., T. J. WADE, R. L. CALDERON, M. BEACH, K. P. BRENNER, AND A. P. DUFOUR. SEVERITY OF ILLNESS RESULTS FOR EPIDEMIOLOGIC RECREATIONAL WATER STUDIES. Presented at National Beaches Conference, Niagara Falls, NY, October 11 - 13, 2006.
GLASSMEYER, S., E. FURLONG, D. KOLPIN, K. P. BRENNER, T. WADE, E. SAMS, R. L. CALDERON, A. P. DUFOUR, AND M. BEACH. UTILITY OF PHARMACEUTICALS AND OTHER EMERGING CONTAMINANTS AS CHEMICAL INDICATORS OF HUMAN FECAL CONTAMINATION. Presented at EPA's National Beaches Conference, Niagra Falls, NY, October 11 - 13, 2006.
DUFOUR, A. P., O. M. EVANS, AND T. D. BEHYMER. WATER INGESTION DURING SWIMMING ACTIVITIES IN A POOL: A PILOT STUDY. JOURNAL OF WATER AND HEALTH. IWA Publishing, London, Uk, 4(4):425-430, (2006).
2005
WADE, T. J., R. L. CALDERON, E. A. SAMS, M. BEACH, K. P. BRENNER, A. H. WILLIAMS, AND A. P. DUFOUR. ARE NEW AND FASTER WAYS OF MEASURING RECREATIONAL WATER PREDICTIVE OF SWIMMING ASSOCIATED ILLNESS? AN EPIDEMIOLOGIC INVESTIGATION AT FOUR GREAT LAKES BEACHES. Presented at 9th Annual Public Health Days (JASP), Quebec City, QC, CANADA, November 14 - 16, 2005.
Wymer, L J., A P. Dufour, R L. Calderon, T J. Wade, AND M. Beach. COMMENT ON "DERIVATION OF NUMERICAL VALUES FOR THE WORLD HEALTH ORGANIZATION GUIDELINES FOR RECREATIONAL WATERS". WATER RESEARCH 39(12):2774-2777, (2005).
Haugland, R A., S D. Siefring, L J. Wymer, K Brenner, AND A P. Dufour. COMPARISON OF ENTEROCOCCUS MEASUREMENTS IN FRESHWATER AT TWO RECREATIONAL BEACHES BY QUANTITATIVE POLYMERASE CHAIN REACTION AND MEMBRANE FILER CULTURE ANALYSIS. WATER RESEARCH 39(4):559-568, (2005).
WADE, T. J., R. L. CALDERON, M. J. BEACH, E. A. SAMS, K. P. BRENNER, AND A. P. DUFOUR. PROTECTING HEALTH WITH SAME DAY WATER QUALITY MONITORING RESULTS FOR BATHING BEACHES. Presented at Annual Meeting, Great Lakes Beach Association, Green Bay, WI, November 02 - 03, 2005.
WADE, T. J., R. L. CALDERON, M. J. BEACH, K. P. BRENNER, E. A. SAMS, AND A. P. DUFOUR. RECREATIONAL WATER QUALITY AND SWIMMER HEALTH - CAN FASTER METHODS OF MEASURING RECREATIONAL WATER HELP PREVENT SWIMMING ASSOCIATED ILLNESS? Presented at International Workshop sponsored by the Sao Paulo State Company for Sanitation and Technology, Sao Paulo, BRAZIL, June 13 - 16, 2005.
DUFOUR, A. P. RECREATIONAL WATER QUALITY AND SWIMMING ASSOCIATED HEALTH EFFECTS. Presented at 22nd Annual NCASM Fall Meeting, San Ramon, CA, October 07 - 08, 2005.
WADE, T. J., R. L. CALDERON, E. A. SAMS, K. P. BRENNER, M. BEACH, A. H. WILLIAMS, AND A. P. DUFOUR. RESULTS FROM THE 2005 NATIONAL BEACHES STUDY: THE ASSOCIATION BETWEEN RAPIDLY MEASURED INDICATORS OF FECAL CONTAMINATION AND SWIMMING ASSOCIATED GASTROENTERITIS. Presented at EPA Science Fourm, Washington, DC, May 16 - 18, 2005.
WYMER, L. J., K. P. BRENNER, J. W. MARTINSON, W. R. STUTTS, S. SCHAUB, AND A. P. DUFOUR. The EMPACT Beaches Project Results from a Study on Microbiological Monitoring in Recreational Waters. U.S. Environmental Protection Agency, Washington, DC, 2005.
DUFOUR, A. P. WATER QUALITY AND SWIMMING-ASSOCIATED HEALTH EFFECTS. Presented at University of Hawaii, Honolulu, HI, March 02, 2005.
2004
Haugland, R A., S D. Siefring, L J. Wymer, K Brenner, AND A P. Dufour. COMPARISON OF ENTEROCCOCUS DENSITIES DETERMINED BY CULTURE AND QPCR ANALYSES IN WATER SAMPLES FROM TWO RECREATION BEACHES. Presented at New England Association of Environmental Biologists (NEAEB), Hancock, MA, March 17-19, 2004.
SAMS, E. A., R. L. CALDERON, T. J. WADE, M. BEACH, K. P. BRENNER, A. H. WILLIAMS, AND A. P. DUFOUR. GIS ANALYSIS FOR EPIDEMIOLOGIC RECREATIONAL WATER STUDIES. Presented at International Society for Environmental Epidemiologists, New York, NY, August 01 - 04, 2004.
Sams, E A., R L. Calderon, T. J. Wade, M. Beach, K P. Brenner, A. H. Williams, AND A P. Dufour. GIS ANALYSIS FOR EPIDEMIOLOGIC RECREATIONAL WATER SUTDIES. Presented at International Society for Environmental Epidemiologists, New York, New York, August 1-4, 2004.