As vaccination drives roll out across the world, there is increasing awareness that vaccines are not a silver bullet for resolving the global pandemic. First, there are many people who do not like vaccinations, and as long as Covid-19 lurks, the vaccinated will not be 100 per cent protected. “As I write this, 191 million vaccination shots against Covid-19 have been administered; more than three quarters were given in just 10 nations that account for 60 per cent of the global gross domestic product.