Prof Lau’s research focuses on the causes of stroke and improving the prevention of stroke. He has published over 130 research articles or book chapters relating to stroke, including in reputable journals such as Lancet Neurology, Lancet Infectious Diseases, European Heart Journal, Nature Communications, JAMA Neurology, Neurology and Stroke. He currently leads the Stroke Research and Prevention Group (HKU Stroke), and is the Principal Investigator / Co-Principal Investigator of four prospective stroke registries in different regions of Hong Kong. He pioneered the WeRISE App – a one-stop platform for stroke patients and families combating stroke. This App has been widely utilised and disseminated throughout the medical and social sectors of Hong Kong.