BEIJING (AP) – China is reporting five new cases of the coronavirus, as the commercial hub of Shanghai announced the restart of some classes and airlines revive domestic flights. Of the new cases, two were imported and three came from the northeastern province of Jilin that has seen a small spike in infections of unknown origin. In Shanghai, students retain the option of continuing to follow classes online rather than facing virus testing and social distancing measures at schools. Australian opera singer Jane Ede will perform Monday for 450 guests in government-ordered hotel quarantine. Sri Lanka this weekend reimposed a 24-hour curfew to stem people’s movements. South Korea reported 13 new cases of the coronavirus, raising hopes that a new outbreak linked to nightclubs in Seoul may be ending.