Scientists have a long incubation period for COVID-19, and the spread speed is fast. By correctly judging the spread of droplets between people, isolating the whole people, wearing masks and other effective means, the spread of the virus can be quickly curbed;
There have been many large-scale infectious diseases in human history, and scientists and governments have summarized a lot of relevant experience;
People all over the country have popularized a lot of common sense about COVID-19 through various media, and they can isolate themselves on their own initiative. In the face of viruses from all walks of life, Qi Xin works together and Qi Xin works together.