We are very grateful to the donors, the staff of the National Blood Transfusion Centre of the Lao Red Cross, and to Bounthaphany Bounxouei, the Director of Mahosot Hospital, the late Rattanaphone Phetsouvanh, Director of the Microbiology Laboratory, and the staff of Microbiology Laboratory of Mahosot Hospital for their technical help and support, most specifically Ooyanong Phonemixay, Bounnak Saysanasongkham, the Director of Department of Health Care, Ministry of Health, and Bounkong Syhavong, Minister of Health, Lao PDR for their very kind help and support and Christine Isnard from the Etablissement Français du Sang for her technical help.
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