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Marshall Islands
Risk:
Low
Health Overview
Marshall Islands is Level 1 — COFA partner using USD. Atolls average <2m above sea level (most acute sea level rise threat of any inhabited nation). Bikini Atoll (UNESCO; 67 US nuclear tests; extraordinary wreck diving — USS Saratoga; IJN Nagato). Majuro Hospital refers serious cases to Honolulu/Manila. Traditional stick chart navigation. King tides Jan-Feb can close airport.Be sure to consult your Dr. prior to travel to discuss
Key Health Risks
Low-Moderate
Dengue (Sporadic to Endemic)
CDC classifies Marshall Islands as endemic per COFA documentation. Yellow Book: 'sporadic or uncertain risk' (light purple). 2011 DENV-3 outbreak. Aedes established. DEET 30%+ throughout day.
Very High
Sea Level Rise
Most acute sea level rise threat of any inhabited nation. Atolls <2m elevation. King tides (Jan-Feb) regularly inundate roads and can close Majuro airport. Scientific projections: most atolls uninhabitable by 2050-2080 under current emissions. Flooding contaminates water supply.
Low
Nuclear Testing Legacy
67 US nuclear tests 1946-1958. Inhabited atolls (Majuro; others): no radiation risk. Bikini Atoll (uninhabited; UNESCO): brief dive visits assessed as safe; no local food consumption. Rongelap: partial resettlement with monitoring.
Health Risk Callout
Sea level rise is the existential story. Dengue endemic + MMR = clinical preparation. King tides can close airport — plan accordingly.
Other Health Risks
NCDs (epidemic diabetes/obesity — among world's highest); Ciguatera; king tide flooding (Jan-Feb)
Regional Information
Regional Risk Callout
Majuro (capital; all services; hospital; airport). Kwajalein (US military — restricted access). Bikini Atoll (UNESCO; nuclear history; wreck diving — no local food consumption; brief visits assessed as safe). Outer atolls: no services.
Regional Healthcare Callout
One hospital; tertiary = Honolulu/Manila. Outer atolls: no services. Bikini: no medical facilities.
Vaccine and Malaria Prevention
💉 Entry Vaccine Required
None required from US.
🛡️ Recommended Vaccines
CDC recommends Routine (MMR — Measles THN; Marshall Islands named); Hep A (recommended — tap water unsafe); Hep B; Typhoid
🦟 Malaria Information
No malaria risk.
Very High
None
Physician Note
Dr. Robert
Emergency Medicine · 25+ Years · 40+ Countries
Marshall Islands: 'No malaria. Dengue endemic. Confirm MMR.' Then: 'This is a country at the intersection of nuclear history; WWII; and existential climate change.
King tides can close the airport. Average elevation <2m.' Bikini wreck diving: USS Saratoga and IJN Nagato among world's most historically significant.
Pre-Departure Checklist
8+ Weeks
- Be sure to consult your Dr. prior to travel to discuss
- CDC recommends MMR (Measles THN)
- Hep A
- Typhoid
- Medevac insurance Honolulu/Guam routing.
2-4 Weeks
- DEET
- Majuro Hospital +692-625-5660
- Embassy +692-247-4011
- King tide calendar if Jan-Feb.
Day Of
- DEET
- Bottled water
- Carry water for inter-atoll excursions.
Trip Type Guidance
Adventure
- Bikini Atoll wreck diving (USS Saratoga
- IJN Nagato — among most historically profound dives in Pacific). Stick chart navigation tradition. WWII history.
Mission
- Deeply Christian (UCC
- Assemblies of God)
- Church central to social life.
Notes
Special Evacuation Notes
Medevac from Majuro (MAJ) to Guam (~3 hours; USMH) or Honolulu (~5-6 hours; Queen's Medical). United Airlines connections. Air Marshall Islands for outer atoll evacuation to Majuro first.
Safety Notes
DENGUE: DEET 30%+ daily. MMR confirmed. KING TIDES: Jan-Feb can close airport; know accommodation plan. BIKINI: no local food; brief visits safe. WATER: bottled throughout.
partner recommendation
Medical Evacuation & Assistance
A medical crisis far from home can cost $50,000+ to evacuate. Global Rescue — the partner we personally trust — provides worldwide evacuation and round-the-clock medical assistance.
Good For
Adventure
Beach
Mission