Rising Imported Chikungunya Cases Reported UK, Hong Kong, Russia

In 2025, multiple countries have reported imported cases of chikungunya fever, a mosquito-borne viral disease causing symptoms such as high fever, rash, and severe joint pain. The UK has seen a significant increase in travel-related cases, with 73 reported between January and June, primarily linked to trips to Indian Ocean countries like Sri Lanka, India, and Mauritius, while health officials emphasize no risk of local transmission due to the absence of the mosquito vectors. Hong Kong confirmed its 13th imported case involving a traveler from Guangdong province, with authorities urging preventive measures in schools to curb mosquito-borne diseases. Russia recorded its first chikungunya case this year in a man who returned from Sri Lanka, with officials stating that anti-epidemic measures are in place and local transmission is unlikely due to insufficient mosquito populations. Across these regions, health agencies are monitoring the situation closely and advising travelers to take precautions such as using insect repellent and wearing protective clothing when visiting high-risk areas. There is no vaccine or specific treatment for chikungunya, making preventive efforts critical.