Here is the corrected and improved version of your text: There was a terrible epidemic at that time. The last week of the month was the most critical period for the prevention and control of infectious diseases in the entire community. The disease spread quickly, and more and more people were infected. Just by talking to someone, several more people would catch the infection. What was even more difficult was that the number of cleaners in the community was decreasing every day. They worked hard, but they left the next day without saying goodbye. When I asked why, they said they were afraid of getting infected. After all, more than…