Over half of active covid-19 cases in China are imported cases.
13 Aprl,1378 active cases(2088 cases in total) are imported cases.
With a loss of over 3,000 lives and 1 trillion USD,China win the fighting against covid-19.
The current risk is imported cases.
Outside China,there are over 1.3 million active cases.even worse,the number is increasing.