Woman from Tibás is Fifth Chikungunya Case in Costa Rica for 2026

Costa Rica's Ministry of Health has confirmed a new imported case of chikungunya, bringing the total number of cases in 2026 to five. The latest patient is a woman from Tibás who recently returned from traveling abroad. This development underscores the ongoing risk of imported vector-borne diseases entering the country. Chikungunya, a viral infection transmitted by infected mosquitoes, can cause fever, severe joint pain, muscle pain, headache, and rash. While most cases in Costa Rica are imported, the presence of the Aedes aegypti mosquito, which transmits the virus, means local transmission is a possibility if the virus is introduced. The Ministry of Health continues to monitor the situation closely and advises the public to take preventive measures against mosquito bites, such as using repellent, wearing protective clothing, and eliminating mosquito breeding sites around homes. The confirmation of this fifth case serves as a reminder for travelers to be aware of health risks in the destinations they visit and for residents to remain vigilant in protecting themselves from mosquito-borne illnesses.