Trader consensus reflects a 95.5% implied probability for no hantavirus outbreak declaration by June 30, driven by the World Health Organization's (WHO) lack of any Public Health Emergency of International Concern (PHEIC) designation despite a recent multi-country cluster of 11 Andes hantavirus cases (eight confirmed, three deaths) linked to the M/V Hondius cruise ship, reported May 2. This rare person-to-person transmissible strain was contained through ship isolation and 42-day monitoring of exposed passengers across multiple countries, with Centers for Disease Control and Prevention (CDC) confirming no U.S. cases tied to the event and extremely low public risk amid historical U.S. baselines of 20–40 sporadic hantavirus pulmonary syndrome cases annually. Escalation to PHEIC would require substantial secondary transmission surges, unlikely per current epidemiological data; watch WHO surveillance updates in coming weeks.