Question

Many different host factors can influence a person’s susceptibility or resistance to infectious disease. Some factors are associated with increased susceptibility, whereas other factors are associated with decreased susceptibility.
Organize the following factors, indicating those that increase and those that decrease host susceptibility to infectious disease.
1. proper nutrition
2. smoking & alcoholism
3. good hygiene
4. being very young or very old

Answer 1

4,2,1,3 hope this helps