Costa Rica is often treated as an easy trip from a health-planning perspective, but that can make travelers skip vaccine review they actually should do. Hepatitis A is one of the most common examples. The question is not whether Costa Rica feels familiar. The question is whether you are protected against a food-and-waterborne infection that travelers can still pick up on otherwise routine itineraries.
The CDC traveler page for Costa Rica says hepatitis A is recommended for unvaccinated travelers one year old and older going to Costa Rica. That makes this less of a niche vaccine discussion and more of a standard pre-trip checkpoint if you are not already immune.
Why hepatitis A still matters for Costa Rica travel
Hepatitis A spreads through contaminated food and water and through close contact in outbreak settings. Travelers often assume the risk only matters for very rough itineraries. In reality, the issue is that exposure can happen even on trips that feel organized and comfortable, especially when you are eating out frequently or moving through multiple stops.
Who should prioritize this decision
- Anyone unvaccinated traveling to Costa Rica
- Families traveling with children
- Travelers with chronic liver disease or other higher-risk medical factors
- People leaving soon who want to reduce preventable downside risk before departure
The vaccine becomes even more important when the trip is coming up quickly and you do not want a food-and-water exposure to become the thing that derails it.
What if your trip is soon?
CDC hepatitis A guidance says travelers should plan vaccination as early as possible, but even late vaccination can still help. The CDC Yellow Book hepatitis A guidance notes that adults over 40, immunocompromised travelers, and people with chronic liver disease leaving in less than 2 weeks may need immune globulin in addition to vaccine based on risk assessment.
That means a late trip does not eliminate the decision. It just changes the conversation.
What else should Costa Rica travelers plan?
Costa Rica travel often also raises malaria questions for certain routes, traveler’s diarrhea planning, and mosquito bite prevention. If you are still pulling your plan together, review our travel health timeline and think through whether you also need a medication kit for diarrhea or other common travel problems.
If you want help with the medication side of the plan, start a consultation with Runway Health. We can help sort destination-specific prescriptions and practical prep before departure.
Bottom line
For Costa Rica, hepatitis A is a standard vaccine review item for unvaccinated travelers, not a fringe add-on. If you are not sure whether you are protected, this is worth resolving before departure rather than assuming a short or familiar-feeling trip makes it unnecessary.

