(FILES) A French oyster farmer works off the coast of Arcachon, southwestern France, on December 18, 2024. A year ago, sales were banned at the height of the holiday season in the Arcachon Basin industry due to an epidemic of gastroenteritis caused by oysters contaminated with norovirus, following sewage overflows caused by torrential rains. (Photo by Philippe LOPEZ / AFP) (Photo by PHILIPPE LOPEZ/AFP via Getty Images)