Hong Kong health chief vows to step up fight against rats using latest technology

Since 2000, the government has compiled a rodent infestation rate for the city

Hong Kong’s health chief said the government was checking if there were new technologies available to fight rats as she also pledged to step up enforcement on illegal dumping of rubbish.

Professor Sophia Chan Siu-chee’s remarks came as it emerged the city’s rat problem could be far worse than first thought after the reliability of rodent infestation surveys were called into question.