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Hepatitis A

Food & waterborne virus

Fecal-oral route through contaminated food, water, or close personal contact with an infected person.

Risk to travelers

Moderate

Vaccine

2 doses

Where it occurs

Widespread in developing countries. Higher risk in areas with poor sanitation: Africa, Asia, Central/South America.

🧬Transmission

Contaminated food & water

⏱️Incubation

15–50 days (avg 28)

📅Seasonality

Year-round

💉Vaccine

2 doses · long-term protection

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