By Sophia DavisJuly 15, 2026 News Two New Hantavirus Cases Emerge Connected to SFO Traveler and San Mateo Resident on MV Hondius Cruise Two new hantavirus exposures have been reported, linked to a San Mateo County resident and a traveler from SFO aboard the MV Hondius cruise ship, health officials confirmed. Authorities urge caution and monitoring.