1.Explain why John Snow is considered to be the father of modern epidemiology.  Be sure to talk about the cholera outbreak in London and how he was able to determine how everyone was falling ill. 2.The bubonic plague is a disease caused by Yersinia pestis that infects your lymph nodes into dark-colored, swollen, and painful buboes, hence the name.  The disease is transmitted via a flea bite and can be spread in an airborne fashion from person to person.  Using Koch’s postulates, describe how it is known that this is caused by this organism.  Remember to include each postulate in your own words and the describe what was done for this postulate specifically for the plague

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