CDC warns Americans traveling to 4 countries over outbreak of untreatable mosquito disease

U.S. wellness officials person issued question advisories for Americans readying trips to definite tropical countries amid outbreaks of an untreatable mosquito-borne disease.

The Centers for Disease Control and Prevention (CDC) announced Friday that it has issued Level 2 question advisories for Cuba, Bangladesh, Sri Lanka and Guangdong Province successful confederate China, advising Americans to "practice enhanced precautions" erstwhile visiting these areas.

Health officials accidental determination are presently nary treatments for chikungunya, but the illness is vaccine-preventable, and vaccination is recommended for travelers to affected areas.

The astir communal symptoms of the microorganism see fever and associated pain, though patients whitethorn besides acquisition headache, musculus pain, associated swelling oregon a rash, according to wellness officials. Symptoms typically look 3 to 7 days aft being bitten by an infected mosquito, and astir radical retrieve wrong a week. 

CDC REPORTS 19TH CRUISE SHIP NOROVIRUS OUTBREAK THIS YEAR, AFFECTING PASSENGERS AND CREW

Tourists sojourn Varadero, Cuba, connected Sept. 21, 2018.  (Nicolas Economou/NurPhoto)

In terrible cases, immoderate whitethorn acquisition terrible associated symptom lasting months oregon adjacent years portion others "may necessitate hospitalization due to the fact that of the hazard of organ harm and death," according to the World Health Organization (WHO).

According to an Oct. 3 announcement from WHO, determination person been 445,000 suspected and confirmed cases of chikungunya and 155 deaths worldwide betwixt January and September 2025.

In Bangladesh, WHO reported 700 suspected chikungunya cases successful the capital, Dhaka, betwixt January and September 2025, citing the Institute of Epidemiology, Disease Control and Research.

CDC WARNS OF 'ENHANCED' VIRUS RISK FOR TRAVELERS AMID OUTBREAK SPREAD BY MOSQUITOES

A idiosyncratic sprays successful a residential country to forestall the dispersed of the mosquito-borne illness chikungunya connected Oct. 14, 2025, successful Shenzhen, Guangdong Province of China. (VCG)

As of precocious September, a full of 16,000 locally transmitted chikungunya cases person been confirmed successful Guangdong Province, China, marking the largest documented outbreak of the illness successful the state to date.

Between January and precocious September, 34 confirmed cases of chikungunya were reported successful Cuba, and nationalist wellness interventions person been implemented to incorporate the outbreak. 

In Sri Lanka, a full of 150 confirmed chikungunya cases were reported betwixt Jan. 1 and the 2nd week of March 2025, WHO said, adding that cases reportedly peaked successful June.

A representation of a mosquito taken connected Aug. 23, 2016. (PHILIPPE HUGUEN/AFP)

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The CDC warned that Americans traveling to Brazil, Colombia, India, Mexico, Nigeria, Pakistan, the Philippines and Thailand whitethorn besides look an accrued hazard of chikungunya infection, adjacent if nary outbreak is presently reported.

The U.S. has not seen immoderate locally acquired chikungunya cases successful its states oregon territories since 2019.