Professor KY Yuen discussed the COVID-19 pandemic, its impact, and the research being conducted to combat the virus. He highlighted the importance of finding and controlling the source of the virus, developing rapid and accurate diagnostic tests, and creating broad-spectrum antivirals and vaccines. Yuen also emphasized the need for community-wide masking and proper hygiene measures to prevent the spread of the virus. Hong Kong has been successful in controlling the pandemic so far, but continued vigilance and preparedness are necessary.