That statement is true
In order to prevent a contamination in becoming an epidemic, Rescuers must take measures to prevent the spread of contamination. They could do this by isolating all of the people that are in the same room from the contaminated or simply by giving them some vaccines
So, since what you're wanting is pointers for the Essay, then here:
There are many things that affect your food choice.
Biological determinants: Hunger, appetite, taste, cravings, etc
Economic determinants: Cost, income, availability, etc
Social determinants: Culture, family, peers, meal patterns, what you grew up eating, etc.
Physical determinants: Access, Location, education, cooking skills, time
Phycological determinants: Mood, stress, guilt, etc
Attitudes, religion, beliefs, etc.
All of these can decide what you eat, how you eat, when you eat, and how often you eat.
Kidneys? let me know if I am wrong
