1.
Water treatment process involves boiling
4.
Chicken pox is spread through direct contact
6.
Rats are examples of a vector
7.
House fly are examples of vectors
8.
Germs can only be seen with the aid of
10.
give the body against future attack
11.
Water treatment process involves flocculation
13.
Water treatment process involves sublimation
14.
Overhydration is a symptom of diarrhea
15.
Typhoid fever is prevented by immunization
17.
Vectors pass germs from one person to another without being affected
18.
Small pox is spread through direct contact
19.
Big pox is spread through direct contact
20.
Oral polio vaccine is used to prevent
