On 27 April, Vietnam confirmed one case in from community transmission. Patient #2857 is a hotel receptionist who was infected by Indian experts quarantined at the hotel in Yên Bái Province since 18 April. The patient was hospitalized at the National Hospital for Tropical Diseases.Một nhân viên khách sạn Yên Bái, 4 người nhập cảnh mắc Covid-19 VnExpress Results of genetic sequencing at the National Institute of Hygiene and Epidemiology in Hanoi showed that four cases of COVID-19 in the group of Indian experts were from the Delta variant.
