I don't get this statement. "Most cases (of typhoid fever) in developed countries are imported from endemic countries."

Answer 1

Most cases come from countries where typhoid fever occurs a lot.

http://dictionary.reference.com/browse/endemic

Answer 2

How can I put this sentence into my own words?

"Use scupuluous cleanliness in food preparation and handling."

Answer 3

Use a synonym for "scrupulous."