Recent signals
Foreign-ministry advisories
Practical guidance
What the disease sub-score covers
Indonesia’s disease sub-score is 76/100 (low band). It combines endemic baseline (the diseases that are always present at some level) with acute outbreak signals from WHO Disease Outbreak News, CDC traveller notices, and ECDC bulletins. A drop in the sub-score typically reflects a fresh outbreak rather than a worsening baseline; the events feed above lists what is driving today’s number. Endemic risk is what your vaccinations and basic hygiene protect against; outbreak risk is what determines whether the trip itself should be reconsidered.
Food, water, and mosquitoes
The three traveller-illness vectors that account for most self-reported sickness: contaminated water (tap, ice cubes, salad washed in tap), undercooked food (especially shellfish and street meat), and mosquito-borne disease (dengue, chikungunya, malaria, Zika). The defensive rules are well established: bottled or filtered water only in higher-risk destinations, cooked food served hot, peel fruit yourself, and use DEET- or picaridin-based repellent in dengue-active areas at dawn and dusk. The Indonesia vaccinations page lists which immunisations specifically reduce risk for this country.
If an outbreak is in the news
A new WHO Disease Outbreak News article triggers a drop in the sub-score within 24 hours of publication; the events feed shows the source. Read the WHO article rather than secondary coverage: outbreak severity often gets amplified in travel press relative to the agency’s actual assessment. The Field Manual guide When an outbreak hits a destination you’ve booked walks through the decision tree: when to cancel, when to push, when to alter the itinerary.
Related for Indonesia
Long-form context
Indonesia is a 17,000-island archipelago straddling the most active volcanic and seismic zone in the world; framing it as a single travel destination misses the point. Bali (and to a lesser degree Lombok, Yogyakarta, and Komodo) is the country’s mainstream tourist face and runs broadly safe by every category that matters to a visitor. The structural risks sit elsewhere: 130-plus active volcanoes, recurring tsunamis along the Sunda Arc, the world’s highest tourist motorbike-injury count on Bali, severe drug penalties (including the death penalty), and a small but persistent terrorism threat. This guide unpacks the volcano and tsunami warning systems, the Bali scooter and gastric-illness pattern, the Visa-on-Arrival mechanics, and the practical contacts that shape an Indonesian itinerary.
Frequently asked about Indonesia
Are there any active disease outbreaks in Indonesia?
Indonesia's disease sub-score is 76/100. Active outbreaks are listed in the recent-signals feed above, sourced from WHO Disease Outbreak News, CDC traveller notices, and ECDC bulletins. A drop in the sub-score typically reflects a fresh outbreak rather than a worsening baseline.
What diseases are common in Indonesia?
Endemic disease patterns vary by region within Indonesia. The three traveller-illness vectors that account for most reported sickness anywhere: contaminated water, undercooked food, and mosquito-borne disease (dengue, chikungunya, malaria, Zika depending on region). The vaccinations page lists which immunisations specifically reduce risk for this country.
Is the water safe to drink in Indonesia?
Tap water safety varies by region and infrastructure. In most non-OECD destinations, default to bottled or filtered water for drinking, ice, and brushing teeth; salads washed in tap water carry the same risk. The country safety guide's healthcare chapter covers the specific destination assessment.