How has China avoided a coronavirus second wave?

Europe is the epicentre of the coronavirus pandemic once again, with the number of daily infections doubling in the past 10 days as a second wave hits. But China has avoided a second wave. The question is why? The answer is that its authorities, after being overwhelmed in Wuhan, have fine-tuned an emergency response for surprise cluster outbreaks. Many subsequent waves of infection have emerged in China, a country of 1.4 billion people and nearly 40 times the size of the UK. Cases have cropped u