An Introduction to Community & Public Health 8th Edition by James McKenzie, Pinger

تمرين 20

The Internet has many sources of information that could help Amy and Eric with the decisions that they will have to make about the continued use of the day care center for their children. Use a search engine (e.g., Google, Bing) and enter (a) hepatitis, and (b) hepatitis and day care centers. Print out the information that you find and use it in answering the following questions.
Why does the hepatitis problem remind us of the health problems faced by people in this country prior to 1900?