Hantavirus, a rare but deadly rodent-borne disease, has returned to global attention in May 2026. A cluster of passengers with severe respiratory illness aboard a cruise ship was reported to the World Health Organization on May 2, 2026, with three deaths, one critically ill patient, and multiple suspected cases confirmed by laboratory testing. This outbreak has alarmed health officials worldwide and triggered urgent questions about hantavirus symptoms, treatment, death rate, and incubation period. Background What Is Hantavirus and Where Did It Come From? Hantavirus is not a new disease. It…
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