Both men have served as DOH ministers, and both have devoted themselves to the development of homegrown vaccines. During Chan's term as minister, he gave impetus to the inoculation of health workers with the flu vaccine.
詹啟賢去年 6 月才從李明亮手中接下國光董事長的棒子，兩人都曾擔任衛生署長，也都對國人自製疫苗的發展著力深刻。