Even if a COVID-19 vaccine is developed, there is unlikely to be a quick return to normality. Dr Anthony Fauci, America’s leading expert in infectious diseases dared a prediction: “We will know whether a vaccine is safe by the end of November, the beginning of December. The question is, once you have a safe and effective vaccine, or more than one, how can you get it to the people who need it as quickly as possible? You’ll have to wait several months into 2021 when you talk about vac ...