Watch this video and answer the following questions:
. Who was John Snow and what did he do?
What is cholera
. What did people originally think cholera was caused by?
Why is all of this important to Epidemiology?
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Watch this video and answer the following questions:
. Who was John Snow and what did he do?
What is cholera
. What did people originally think cholera was caused by?
Why is all of this important to Epidemiology?
