For decades, China has used banners to educate the public about a wide range of topics ranging from government policies and regulations to morality, environmental protection and public awareness. The ongoing fight against the coronavirus that causes Covid-19 has inspired a whole new set of banners across the country as the government scrambles to find ways to educate the public about how to avoid spreading the illness. The central province of Hubei is the epicentre of a global outbreak, and the…