No blood donors at the NIHBT's blood donation sites (Photo courtesy of the institute) Hanoi (VNS/VNA) - With blood donations to the National Institute of Hematology and Blood Transfusion (NIHBT) have decreased. As many as 30 organisations have requested to cancel planned blood donations involving more than 8,000 units of blood. From January 29 to February 1, the institute received just over 1,300 units of blood, while the normal need for blood supply is 1,200 - 1,500 units. The whole week before Tet holiday, from February 1 to 7, the institute expects to receive only 3,000 blood units. ...