what are pathogens?

Asked by bdhal | 22nd Oct, 2018, 09:23: AM

Expert Answer:

pathogen is a biological agent that causes disease or illness to its host. These pathogens generally enter the human body from contaminated drinking water and cause many water-borne diseases like cholera, typhoid, jaundice, hepatitis etc.

Answered by Sivanand Patnaik | 22nd Oct, 2018, 09:33: AM