Hong Kong confirmed 30 new coronavirus cases on Tuesday, including 19 people who recently travelled abroad, taking the city’s total number of infections to 386.Among the new cases, aged 15 to 66, five were members of a band that performed in Lan Kwai Fong, while another was a waiter in the area, bringing to 17 the number of cases tied to the popular nightlife district. Two other members of the band had previously been confirmed with the virus.Other patients include another Cathay Pacific flight…