← BACK TO DASHBOARD

California Resident #1

MONITORING
US-CA-001
PASSENGER · U

DOSSIER

UPDATED · 2026-05-13

Santa Clara County Public Health confirmed the resident remains at home, symptom-free, with activity restrictions in place per CDC guidance. The 42-day CDC monitoring window includes daily temperature checks and symptom screening. Officials said a comprehensive care plan is in place if symptoms develop. Age, sex and any test results are being withheld under medical privacy law. This is one of four Californians being monitored across the state (three former passengers plus one flight contact of a confirmed case)

Sources
UPDATED · 2026-05-11

Santa Clara County Public Health Department confirmed the California resident is a Bay Area / Santa Clara County resident who has returned home; identity withheld under medical-privacy laws. The passenger disembarked the MV Hondius at St. Helena on 2026-04-24 along with about 30 other passengers and has remained asymptomatic. Monitoring, coordinated with CDPH and CDC, includes twice-daily symptom and temperature checks and, per UCSF infectious-disease specialist Dr. Peter Chin-Hong, possible PCR testing for hantavirus twice weekly through the 6-to-8-week incubation window. Santa Clara County Health Officer Dr. Sarah Rudman stated there is no known risk to the public in Santa Clara County

Sources
ORIGINAL ENTRY

US national, California resident. MV Hondius passenger who disembarked early. Under CDC monitoring and voluntary home isolation. Asymptomatic as of May 8. Identity withheld. Sources: CDC press release, ABC News. Updated 2026-05-09: CDPH spokesperson Robert Barsanti: 'no information that the California residents are ill or infected... risk to public health in California is low'; under physician monitoring. State reporting uses plural 'residents' but exact count not publicly disclosed

Sources

ktla.com, lamag.com, nbcbayarea.com (May 7-8 2026)

KEY DATES

EXPOSURE
2026-04-01
ONSET
—
CONFIRMED
—
OUTCOME
—

TRAVEL TIMELINE

  1. STOP 1 · Apr 1 → Apr 1Ushuaia, MV Hondius boardingBoarded MV Hondius for Atlantic Odyssey (149 passengers and crew)
  2. STOP 2 · Apr 3 → Apr 22At sea — Antarctic Peninsula / South GeorgiaAtlantic Odyssey expedition segment
  3. STOP 3 · Apr 24 → Apr 25Saint Helena — early disembarkationAmong the ~29-30 passengers who disembarked early at Saint Helena April 24 per AP reporting
  4. STOP 4 · Apr 25 → Apr 26Johannesburg O.R. Tambo — transitAIRLINK Saint Helena to Johannesburg charter, then onward connecting flight home
  5. STOP 5 · Apr 27 → PRESENTCalifornia, USA — home isolationCDPH monitoring; "no information that the California residents are ill or infected"; physician monitored; asymptomatic.
  6. STOP 6 · May 1 → PRESENTCalifornia, USAHome isolation. CDC monitoring.