Six-year-olds can be refreshingly blunt with their questions. “Gung gung [grandfather], when can I go to my house?” asks grandson Nathan. He’s referring to our idyllic family retreat on Australia’s Gold Coast where, in normal circumstances, we typically stay two or three times a year. I do my best to explain that the answer depends on Hong Kong’s mass vaccination drive: the more people who have their Covid-19 jab, the quicker we will return to normal life. Next query: “Why aren’t people getting vaccinated?” Well that, young man, is more difficult to summarise. MORE.