The germs that may be normal to one person may not be normal to another person's body and may cause sickness when introduced into another person. This forms the basis for routine hygiene measures such as hand-washing following urination or defecation. Where Germs Come From Germs come from humans. Germs that are normal in one person may cause disease in another person. Human germs are spread by social contact such as holding hands, kissing, coughing, sneezing, preparing food with unwashed hands.
Germs come from direct contact with infected animals.
Germs come from soil, air, food, water, milk, feces. Germs may come from objects that have been contaminated by an infected person, such as drinking glasses, silverware, toilet articles. The organisms may remain alive on these articles and be transferred to someone else. Places Where Germs Can Enter The Body Germs can enter the body through the following areas or conditions. How Germs Do Their Dirty Work Germs invade the body and destroy normal cells.