Hong Kong’s fourth locally acquired chikungunya fever case could have resulted from a new source of infection unrelated to previous ones, a leading medical expert has said, adding that heightened surveillance by authorities may uncover more patients.
Professor Jasper Chan Fuk-woo of the University of Hong Kong’s microbiology department issued the warning on Friday, a day after a 68-year-old woman living in Shau Kei Wan was listed as the city’s fourth local case.
“Based on the epidemiological…