In the past, Tuberculosis was very dangerous disease. This disease is an infectious disease that claimed the most lives in the history of mankind. Infected people thought they get punished from god. They didn`t know tuberculosis. In the current, tuberculosis can be quickly treated.
Nowadays People feel awe from mers corona virus(MERS-CoV). This virous causes fever, cough, shortness of breath, etc. However it is much more dangerous than just a cold. 40% of people who infected with the mers virus have died. This virus appeared in korea. 15 South Koreans were infected until now. This virus will spread gradually. I think that this can be like ebola virus. It seems to be a pretty big incident. There are Movies-themed virus which people feel fear from. This movie is "감기(The flu)" that released 2013. I came up with bad idea. Korea seems to be like a movie by mers virus.
Actually, The mid-14th century, the Black Death spreaded in Europe. Many people died. Cities that a lot of people crowded suffered first blow. Damage range has grown exponentially. Eventually europe society collapsed.
Virus affects from individual to global.
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