B. Lymphokines
<span>Lymphokines are a product of T-cells that act as communicators.</span>
Hihi!
The correct answer would be that Diarrheal Diseases - Food Washing, Hepatitis - Avoidance of IV Drugs, and Mumps - Vaccination! If you need anymore help be sure to ask!
I hope I helped!
-Loliarual
Change diet and lose weight