Pandemic of humanity-threatening infectious diseases
Humans have been fighting various infectious diseases for a long time a century ago. In an era when neither cause nor treatment was well established, infectious disease pandemics have had a changing impact on history. The number of deaths from infectious diseases has declined dramatically since the late nineteenth century, when the pathogens and ways of dealing with infectious diseases have been known. However, since around 1970, emerging infectious diseases, which have not been known before, and re-emerging infectious diseases, which have recurred despite a temporary decrease in the number of outbreaks of infectious diseases that have spread in the past, have become a problem. It is a threat not only in developing countries but also in developed countries. Infaction Ere Threet smallpox The only infectious disease that humanity has eradicated A century ago: Smallpox traces in Egypt mummies The Sixth Century: Smallpox Epidemics in Japan, and Periodic Epidemics Later 15th century: continental epidemic in the Americas due to the new continental surface of Colombus 1980: WHO Declaration of Global Eradication of Smallpox Decrease in population from 80 million to 10 million in 50 years Plague Around 540: Spread in Vizantium (Constantino Blue), a Central Europe City It is estimated that up to […]
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