The latest case is the mother of the 257th patient and being kept in quarantine at the National Hospital for Tropical Diseases No2 in Dong Anh district of Hanoi. The patient was sampled for testing which confirmed positive for SARS-CoV-2 virus on April 11.
Of the 258 infections in Vietnam, 159 returned from abroad, accounting for 61.6%, and 99 were identified as secondary infections.
A total of 72,508 people coming into close contact and returning from epidemic-hit areas are being put into isolation for health monitoring, of whom 1,198 are being placed in concentrated quarantine in hospitals throughout the nation. The remaining cases are undergoing self-isolation at home or at places of residence.
According to a report from the National Steering Committee for COVID-19 Prevention and Control, 13 cases have tested negative for SARS-CoV-2 once and 12 cases have tested negative for the virus twice.
The same day, Chairman of Dong Da District People's Committee Vo Nguyen Phong issued a decision on ending medical isolation for Bach Mai Hospital which is seen as a major outbreak in the capital city.
The decision is set to take effect from zero hours of April 12.
The hospital is required to continue carrying out epidemic preventive measures to slow the further spread of the disease.