What we know – and what we don’t know – about stopping the spread of the coronavirus

What's successful: (1) Fast action (2) Well-timed lockdowns (3) Travel restrictions (4) Face masks and coverings. What we still don’t know about the virus’ spread: (1) Mass gatherings (2) Super-spreaders (3) Indoor locations (4) Schools 

Read here (South China Morning Post, July 25, 2020)