### Description This repository includes the analysis protocol, datasets, and analysis scripts for the Surfer Health Study. We have also included a link to the study's technical report, which includes additional microbiological details and a quantitative microbial risk assessment study. The epidemiologic findings are published in the article entitled: "Acute Illness Among Surfers After Exposure to Seawater in Dry- and Wet-Weather Conditions", published in the _American Journal of Epidemiology_. Arnold BF, Schiff KC, Ercumen A, Benjamin-Chung J, Steele JA, Griffith JF, et al. Acute Illness Among Surfers After Exposure to Seawater in Dry- and Wet-Weather Conditions. Am J Epidemiol. 2017; 1–10. Below is a link to the open access article through PubMed and AJE's website: [https://www.ncbi.nlm.nih.gov/pubmed/28498895](https://www.ncbi.nlm.nih.gov/pubmed/28498895) [https://doi.org/10.1093/aje/kwx019](https://doi.org/10.1093/aje/kwx019) ### Related studies The study's technical report includes additional scientific research focused on detailed microbiological water quality measurements during the study, and a modeling effort to assess risk based on the water quality measurements. The corresponding manuscripts were published in Water Research: Steele JA, Blackwood AD, Griffith JF, Noble RT, Schiff KC. Quantification of pathogens and markers of fecal contamination during storm events along popular surfing beaches in San Diego, California. Water Res. 2018;136: 137–149. [https://www.ncbi.nlm.nih.gov/pubmed/29501758](https://www.ncbi.nlm.nih.gov/pubmed/29501758) Soller JA, Schoen M, Steele JA, Griffith JF, Schiff KC. Incidence of gastrointestinal illness following wet weather recreational exposures: Harmonization of quantitative microbial risk assessment with an epidemiologic investigation of surfers. Water Res. 2017;121: 280–289. [https://www.ncbi.nlm.nih.gov/pubmed/28558279](https://www.ncbi.nlm.nih.gov/pubmed/28558279)