Hantavirus & Cruise Ship Outbreak: Preparedness Gaps Exposed

HPS CASE FATALITY RATE36–50%U.S. cases tracked by CDC

TRANSMISSION MODEZoonoticrodent contact, droppings, urine, saliva

CLINICAL SYNDROMES2HPS (pulmonary) and HFRS (renal)

IHR COMPLIANCE CRITICISMChronicWHO review committees cite underenforcement

Disease Metrics — Key Figures

Notes

~38%CDC-reported case fatality rate among U.S. HPS patients with severe respiratory symptoms (current CDC surveillance figure)

<5%Hemorrhagic fever with renal syndrome — Old World strains, lower mortality

1–8 weeksWide window complicates contact tracing

890CDC surveillance data as of end of 2023; majority Sin Nombre virus strain

Q&A — Context & Analysis