How significant is social distancing in an epidemic like this?

This epidemic need to distance between 2 meters to other people by goverment rule. This virus is transmitted by spray to other people. According to recent report, it was trasmitted between 4.5 meters in bus in China. Especially, this virus can live in plastic until 3 hours. Maybe, we should wear the gloves each other. But, I was shocking last weekend. Many people were in the park, resturant like this anywhere. Even, some people did not were the masks. Although we also went out due to depression, we were nervous through going out. Recently, the patients who contacted virus are decreasing in Korea. But many people are not feel about warning. But there is not starting school until now. Many children are damaged. We must keep the rule for normal life even for a few weeks.