Oropouche Fever in Latin America and the Caribbean

ECDC Issues Travel Alert

The European Centre for Disease Prevention and Control (ECDC) has issued a travel alert regarding an ongoing outbreak of Oropouche fever in South and Central America and the Caribbean. As of Aug 1, 2024, over 8,000 cases have been reported in Bolivia, Brazil, Colombia, and Peru, with 19 imported cases in Europe among travelers returning from Cuba or Brazil.

The ECDC’s recent assessment highlights a moderate overall risk for travelers, though it is higher in the northern states of Brazil and the Amazon region, especially without proper protection measures.

Oropouche fever is insect-borne

Oropouche fever is a viral disease primarily transmitted to humans through the bites of infected midges (tiny flies), specifically the (Culicoides paraensis) species. Additionally, some mosquito species have been identified as potential carriers of the virus. First discovered in the village of Oropouche in Trinidad and Tobago in 1955, the Oropouche virus has recently emerged as a virus of growing concern due to its rapid spread and increasing number of cases.

Symptoms of Oropouche fever mimic other illnesses

The symptoms of Oropouche fever resemble those of other mosquito-borne illnesses, such as Dengue, Chikungunya, and Zika. While most cases are mild, severe outcomes can include meningitis and encephalitis. Complications during pregnancy include fetal death and deformities. In July, two young Brazilian women with no underlying conditions were reported to have died from the disease, highlighting its potential severity.

No Vaccine or Treatment is Available. Avoid Insect Bites

There is currently no vaccine or specific treatment for Oropouche fever. Preventive measures focus on avoiding bug bites by using insect repellent, wearing long sleeves and pants, and staying in accommodations with proper screening or air conditioning. Travelers are advised to be cautious and seek medical attention if they develop symptoms such as fever, headache, or joint pain after returning from affected regions.

How to Manage Symptoms of Oropouche Fever

If you experience symptoms; rest, stay hydrated, and use over-the-counter pain relievers like acetaminophen. Importantly, travelers should avoid aspirin or non-steroidal anti-inflammatory drugs (NSAIDs) until dengue fever is ruled out, as these medications can increase the risk of bleeding in dengue cases.

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