While the term “chikungunya” might have been unfamiliar to many in Hong Kong until the first imported case was reported in early August, news of the infection immediately brought me back to my own difficult and painful first encounter with the virus six years ago. Hong Kong has been seeing a growing number of imported cases of the mosquito-borne disease, with the latest one announced on Wednesday, bringing the year’s total so far to 12. The new case involved a 34-year-old man living in a...