If pathogens have a negative impact on the body, then what effect do pathogens have.?

Answer choices:
- Something with a head, thorax, and abdomen
 - none
 - healing
 - single-celled organisms
 - a negative impact on the body
 - influenza orthomyxoviruses
 - good health
 - depress neuronal excitability

 

     a negative impact on the body     