Shanna Miko, Laura Calderwood, Ariella P Dale, Ronan F King, Matthew B Maurer, Maria A Said, Marette Gebhardt, Laurie P Dyer, Wendy Maurer, Mary E Wikswo, Sara A Mirza
INTRODUCTION: From April 1 to May 31, 2022, Grand Canyon National Park received increased acute gastroenteritis reports. Pooled portable toilet specimens identified norovirus genogroups I and II. We sought to determine outbreak transmission contributors and individual risk factors while rafting or backpacking in the park. METHODS: Grand Canyon rafters and backpackers were surveyed online from June 13-July 8, 2022, and a Cox proportional hazards model was used to identify predictors associated with illness and adjusted for potential confounding factors...
April 13, 2024: Wilderness & Environmental Medicine