A hantavirus outbreak on an Atlantic cruise ship has resulted in three deaths as of May 8, 2026, prompting global health agencies to address the rising concern. Experts from the World Health Organization (WHO) emphasized that hantavirus is not similar to COVID-19 or influenza due to differences in transmission and treatment. Hantavirus is primarily spread through contact with infected rodents, and exposure to their droppings or urine can lead to infection. Early symptoms, such as fever, muscle pain, and chills, can easily be mistaken for other viral infections, complicating timely diagnosis. Currently, there are no approved antivirals or vaccines for hantavirus; treatment is supportive, focusing on oxygen therapy and careful monitoring. Preventive measures, such as avoiding contact with rodents and ensuring cleanliness in rodent-prone areas, are essential. Experts warn against panic and misinformation, stressing that early recognition of symptoms and prompt medical care can significantly improve recovery chances.