How to Avoid Infection Coronavirus
2020-04-08 / 107 views
For the increasingly serious epidemic, many countries only advised people to wash their hands at first.
Then, the government advised us to stay at home, not to go out, let alone gather.
Recently, due to a large number of community infections and asymptomatic infections, more and more countries have begun to assess the need to wear masks.
However, the shortage of masks has become a worldwide problem.