On the heels of Jamaica recording its second imported case of chikungunya in two weeks data show cases of the mosquito-borne virus are rapidly increasing in the island's closet neighbours. According to the latest update from the Pan-American Health Organisation (PAHO) and the World Health Organisation (WHO) suspected and confirmed chikungunya cases increased about 7.4 % last week, reaching 474,880. As at July 25 there were 469,620 suspected and 5,260 confirmed cases. That was 32,570 more than in the previous week. With Jamaica's health authorities urging persons to take precautions when travelling to countries with transmission of chikungunya, PAHO and the WHO say Dominican Republic account for most of the increase in cases. The country's latest count shows 281,921 with 71 confirmed cases of Chick V.