Ten coronavirus positive cases were detected at the hospital that specializes in treating cancers, prompting a lockdown on all three of its facilites in Hoan Kiem and Thanh Tri districts starting 5:30 a.m.
Over 5,000 people in these facilities, including employees, patients and their family members, are locked inside.
Among the coronavirus cases, four are patients and the rest their relatives. One of them had been treated for a month at the National Hospital for Tropical Diseases in Dong Anh District, which has also been locked down as a novel coronavirus hotspot.