Tianjin reported 1 new locally transmitted confirmed COVID-19 cases and 3 asymptomatic cases on March 31, according to the municipal COVID-19 prevention and control headquarters.
According to the current situation of epidemic prevention and control, passengers who take trains from Tianjin to Beijing will continue to provide the negative nucleic acid test certificates within 48 hours. Passengers arriving in Beijing also need to show the "Beijing jiankangbao" green code.