MS Biomarker Team member, Macquarie University; St Vincent's Hospital Sydney; Menzies Institute for Medical Research; University of Tasmania; and UNSW A team of researchers led by Professor Gilles Guillemin has developed a simple blood test that allows clinicians to rapidly and accurately determine which of the three types of multiple sclerosis a patient has. This world-first discovery enables faster personalised treatment, which has the potential to slow the disease and limit damage to the brain and spinal cord.