Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to classmates or your faculty member.

Watch “Cholera Transmission” from the University Library.

Respond to the following in a minimum of 175 words:

What epidemiological tools and processes are currently in use that originated from John Snow’s work?
What advancements have been made?
As digital epidemiology becomes more prevalent, what are some of the ethical considerations of using big data in public health surveillance?
How did the discovery of bacteria transmission in water change public health practices that are still evident today?

Post 2 replies to classmates or your faculty member. Be constructive and professional.