Support WBURHantavirus: the risks, the science and what you need to knowPlay12:57Download AudioBerly McCoyEmily KwongRebecca RamirezMay 08, 2026 ShareAt least three people have died and more have fallen ill from an outbreak on the cruise ship MV Hondius. Experts have confirmed the cause is a rare but deadly form of hantavirus that can spread human-to-human. (Getty Images)