The 'vomit bug,' or norovirus, is causing outbreaks across the US, especially in California. Symptoms arise within 12 to 48 hours and may lead to dehydration.
Independent CONICET researcher and National University of Cordoba associate professor Raul Gonzalez Ittig holds a preserved specimen of a Graomys chacoensis rodent inside the Population Genetics and Evolution Laboratory of the Institute of Diversity and Animal Ecology (IDEA-CONICET-UNC) at the Faculty of Exact, Physical and Natural Sciences (FCEFyN) in Cordoba, Argentina, on May 13, 2026. The deaths of three cruise ship passengers during a rare hantavirus outbreak have sparked international alarm, and flashbacks to when the world tipped into the COVID pandemic six years ago. (Photo by Diego Lima / AFP)