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Bolivia Chikungunya Cases Decline, High Positivity Persists
12 Mar
Summary
- Santa Cruz shows a downward trend in chikungunya cases.
- Over half of those tested in Santa Cruz were positive.
- A Level 2 Travel Health Notice is in effect for travelers.
As chikungunya cases in Bolivia's Santa Cruz department show a downward trend, health officials are emphasizing continued risk. As of March 7, 2026, Santa Cruz reported 4,371 of Bolivia's 5,371 national cases.
Despite a decline in weekly infections, a significant 51% positivity rate indicates sustained transmission of the East/Central/South African genotype. This persistent high positivity fuels discussions around travel vaccines.
The U.S. CDC issued a Level 2 Travel Health Notice for Santa Cruz and Cochabamba, recommending insect repellent, protective clothing, and considering vaccination. VIMKUNYA®, an FDA-approved vaccine, is available at travel clinics.
Bolivia's Ministry of Health is implementing integrated vector control strategies, including chemical and biological methods, and community engagement in Santa Cruz de la Sierra. This response is crucial as other regions, like Beni, face emergencies for dengue and chikungunya.
Officials face a communication challenge: balancing the improving case trend with ongoing risks. Layered prevention, including repellents and potential vaccination, remains key for travelers and residents.
