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The cure was genetic selection, and improvements in sanitation.

After a period of time the black plague had eliminated a vast amount of the European population, and the survivors with better genetics to handle the infection successfully reproduced. Similarly, this same natural selection is occurring in Africa with HIV. The is a protein deficiency that some humans posses that causes immunity to HIV (improper bonding of some sort). Another example is seen with malaria and humans with partially sickeled cells were immune, and became vast in population.

There were also medical breakthroughs that came through were doctors began to realize the nature of disease, and began to improve methods, and sanitation. (Washing the hands, cover the mouth, removing the dead from public, etc..).

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15y ago

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