11/10/2020
The ability of Corona to infection during the incubation period is one of the most important reasons for its difficulty in combating and limiting its spread, especially as some of the people who suffer from it do not know of their infection, as there are thousands of people who do not suffer symptoms while doing their work naturally.
The ability of Corona to infection during the incubation period is one of the most important reasons for its difficulty in combating and limiting its spread, especially as some of the people who suffer from it do not know of their infection, as there are thousands of people who do not suffer symptom...