Emeritus Professor Dr.Prasert Thongcharoen (ศาสตราจารย์เกียรติคุณ นายแพทย์ ประเสริฐ ทองเจริญ) M.D. (born 2 January 1933) - is a Thai virologist, specialised in the fields of SARS, HIV, Bird Flu and many other diseases. Graduated from Bernhard Nocht Institute for Tropical Medicine Hamburg and University of Hamburg,[1] he then started researching on virus diseases straight after his graduation, and today, he continues to research in a field which he specialises in. His reputation was acquired both nationally and internationally during the spread of Bird Flu a few years ago. Dr.Prasert has been presented with many illustrious awards, to name one, the B-Brown award given by the prestigious Mahidol University. He was also the Director of WHO Collaborating Centre on AIDS and Member of the WHO Expert Committee Advisory Panel on Virus Diseases.[2]