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Hantavirus daily brief — May 12, 2026

Verified synthesis of events reported on May 12, 2026 regarding the MV Hondius hantavirus outbreak. All sources are cited within the brief.

A day of multiple announcements. Afternoon: press conference by Stéphanie Rist (Minister of Health) and Caroline Semaille (Director General of Santé publique France). Semaille announces that 11 cases worldwide are now PCR+, all MV Hondius passengers or crew. WHO's bilan published the same day still keeps the 9-confirmed + 2-probable classification (out of 11 cases) pending integration of the French update in the next DON. The minister states there is 'no evidence of diffuse circulation of the virus' in France. 4 of the 5 repatriated French passengers tested negative; the fifth 'still in ICU and in serious condition'. The 22 French contact cases are 'hospitalised or being hospitalised' — hospitalisation 'about fifteen days'. Evening: details on the composition of the 22 French contacts — 3 teenagers (with parents) hospitalised at Pitié-Salpêtrière in Paris, 1 contact case transferred to Rennes University Hospital (from Concarneau), 1 contact case hospitalised at Marseille University Hospital (per Ministry). 18:05: Xavier Lescure (Bichat infectious disease specialist) reveals the French patient has 'the most severe form' of cardiopulmonary disease and is on ECMO ('artificial lung'); over 65 years old with comorbidities. 17:54: Lescure raises the hypothesis of a possible 'variant that may have mutated' — full sequencing expected (the Swiss sequencing of 5 May showed no unusual mutation; the hypothesis is precautionary). 18:36: Emmanuel Macron, on the margins of the Africa Forward summit in Nairobi, states the 'situation is under control' and calls for 'real European coordination' under the WHO. 19:21: Netherlands — RIVM announces that the 26 passengers from the first evacuation flight (arrived Sunday evening) are ALL PCR negative; quarantine maintained; 2 further flights (28 people) arrived afterwards. 122 people evacuated from the Hondius in under 48 hours. The ship returns to Rotterdam on Sunday 17 May with 25 crew + 2 medical staff + the body of an infected German passenger.

Site-wide tally as of May 16, 2026

11 cases (8 confirmed + 3 probable), 3 deaths, 7 countries affected. Risk to the general population: low (OMS).

See the interactive map and full tally →