Weather And Hantavirus — Are There Any Connections?

InnovationScienceWeather And Hantavirus — Are There Any Connections?ByMarshall Shepherd,Senior Contributor.Follow AuthorMay 11, 2026, 09:14am EDT--:-- / --:--This voice experience is generated by AI. Learn more.This voice experience is generated by AI. Learn more.ILLUSTRATION of a hantavirus testing concept with laboratory tubes containing cotton swabs and HANTAVIRUS labels alongside rat silhouettes in the background evoking rodent borne transmission photographed in Paris France May 4 2026. (Photo by Joao Luiz Bulcao / Hans Lucas / AFP via Getty Images)Hans Lucas/AFP via Getty ImagesA hantavirus outbreak on the MV Hondius cruise ship has captured the attention of the world. The Dutch-flagged ship was cruising the Antarctic region as a part of a growing boom of eco-tourism, according to Reuters. At the time of writing, at least three passengers have died, and others have been exposed to the disease. Rodents like rats and mice are typical culprits for carrying the disease, but it can also be transmitted to humans. While not an epidemiologist, the sub-Antarctic destination prompted questions for me about connections between hantavirus and weather. Here’s what I found.ANKARA, TURKIYE - MAY 5: An infographic titled "Hantavirus outbreak on Atlantic cruise ship" created in Ankara, Turkiye on May 5, 2026. The World Health Organization (WHO) said that three people have died after a Netherlands-based cruise ship was hit by a suspected outbreak of the hantavirus, a rodent-borne virus that can cause severe and potentially fatal respiratory illness. (Photo by Elif Acar/Anadolu via Getty Images)Anadolu via Getty ImagesThe ship, which had 147 passengers and crew on board, sailed from the southern tip of Argentina to the Cape Verde islands. The journey included a long stretch across the southern Atlantic passing places like South Georgia Island, which is famous for its glaciers, snowy peaks, seals, and penguins. The ship departed on April 1 from Ushuaia, which is known as...