Hong Kong’s immunisation rate is quite high but as an international travel hub, the city is not spared imported measles cases. For Hongkongers, the return of face masks in public is a reminder of the 2003 Sars crisis. Photo: Felix Wong
Hong Kong’s immunisation rate is quite high but as an international travel hub, the city is not spared imported measles cases. For Hongkongers, the return of face masks in public is a reminder of the 2003 Sars crisis. Photo: Felix Wong