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Hantavirus daily brief — May 25, 2026

Verified synthesis of events reported on May 25, 2026 regarding the MV Hondius hantavirus outbreak. All sources are cited within the brief.

🇪🇸 2nd confirmed hantavirus case in Spain — the Spanish Ministry of Health announced on Monday 25 May 2026 that a new MV Hondius passenger placed in quarantine in Madrid has tested positive (AFP wire relayed by France Info at 20:37 Paris time; NBC News, CBC, NU.nl). The patient was transferred to the high-level isolation unit at Gómez Ulla military hospital (Madrid) and will remain hospitalised there. The Ministry did not disclose the patient's identity, age or health status. Of the 14 Spanish nationals placed in quarantine after disembarking the Hondius, 2 are now positive — the 1st Spanish case (asymptomatic) was announced on 11 May 2026 and hospitalised at the same Gómez Ulla hospital, with the 13 others then testing negative. 🛡️ The Spanish Ministry stresses that this new case « does not change the level of risk for the general population » (quoted by Der Spiegel on 26 May), in line with the WHO « low risk » assessment of 17 May. 📊 Our count now stands at 13 cases (11 confirmed + 2 probable), 3 deaths, 7 affected countries (Spain was already counted).

Site-wide tally as of May 26, 2026

13 cases (11 confirmed + 2 probable), 3 deaths, 7 countries affected. Risk to the general population: low (OMS).

See the interactive map and full tally →