Businessinsider.co.za | Shanghai cancelled 500 flights, closed schools, suspended hospital services because of 3 Covid cases

Chinese financial hub Shanghai canceled hundreds of flights, closed schools, and suspended tourism programs on Friday after three locally-transmitted Covid-19 cases emerged in the city. According to a municipal government statement, the three positive cases were friends from the nearby city of Suzhou who attended a lecture about ancient architecture last week. They were in close contact with almost 200 people, prompting 20 hospitals to suspend outpatient and emergency medical services for three days out of caution, per the statement. All three of the travelers were fully vaccinated, authorities also said. The restrictions are part of Beijing's Covid-zero policy: China's…