On June 13, 2024, from 8:30 AM to 11:30 AM, the Blood Bank Division of the Department of Clinical Pathology, Phramongkutklao Hospital, in collaboration with Ritta Co., Ltd., organized the 8th Ritta Blood Stream event at the Ritta Co., Ltd. head office. The event had over 80 executives and employees participating in blood donation. Ritta Co., Ltd. has been conducting blood donation drives for Phramongkutklao Hospital continuously since 2022, with a total of over 250,000 cc. of blood donated so far. The next Ritta Blood Stream event will be held on September 12, 2024.