Alma Tostmann, Annelies Brilman, Loek Smits, Bram Huizer, Chantal Reusken, Margreet Te Wierik, Helma Ruijs, Corine Geurts van Kessel, Marloes Mattijssen, Manon Tingen-Wieland, Olga Coenen-Bouwman, Matthew McCall, Esmée Ruizendaal, Ingrid van Schalen, Karin Ellen Veldkamp, Rosa van Mansfeld, Annemiek van der Eijk, Heiman Fl Wertheim, Chantal P Rovers
Following an outbreak of Andes hantavirus (ANDV) infections on a cruise ship in May 2026, a healthcare worker not directly involved in caring for an imported ANDV case in the Netherlands had a single low-positive ANDV PCR result. The healthcare worker remained asymptomatic, showed no seroconversion, and all subsequent samples tested negative. We describe a retrospective investigation, including detailed reconstruction of potential transmission routes. Our finding may indicate that asymptomatic ANDV infections with low-level viraemia can occur after indirect exposure.