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Why coronavirus is spread more effectively in the bars than schools?
In schools, we are following things like safe distances but at the bars, people might forget things like safe distances, and also they might kiss foreigners and that kind of thing is helping viruses transfer between people. When people are using too much alcohol, there is a possibility that the safety instructions are forgotten.
But when we are thinking about things like the number of infections on Earth, we must remember that the statistics are showing only the infection cases, what is reported and stored in statistics. So there must be many so-called "dark cases" there the people are infected by COVID-19. But that information has not been delivered to WHO.
So the thing is that the time what people are spending with the other people is the thing, what matters in the infection cases. The airports might not the places, where the effective time with viruses is not very long, but in the airplanes, the situation is a little bit different.
Three things are affecting the infection capacity of the viruses.
1) The time how long the virus can live on air
2) The time how long the UV-radiation effects to virus
3) How long the person would stay in the area of living viruses.
4) And the number of infected persons in some area
So the face masks can help to control the virus epidemics because it denies the large size spit drops flying on the air. And that thing will make the air effect on virus earlier. And that thing denies the living viruses fly far away from the infected people.
The COVID-19 would be more deadly if it infects the AIDS patient or people whose immune defense is paralyzed, because of the organ transplant or cure for cancer because the immune cells are necessary for defending people against infections. But without immune defense, the normal bacteria and fungus are also deadly.
The core structure of COVID-19 is very complicated, and that means it cannot produce the descendants very fast because the complicated core protein is denied the fast copying of the structure of this virus. The complicated viruses are immune against the effect of the air and electromagnetic radiation, but they are copying themselves less effectively than the viruses, which have simple structures.
The COVID-19 ever gets out of our bodies. The epidemic continues until the virus has been infected the entire human race, and has written its genetic code to our DNA. That causes the immune effect against that virus, but this thing takes time.
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