What is the difference between an infection and a disease
Infection vs Disease. Infection and Disease are two words that are often confused as one and the same. In fact these two medical terms are different in their meanings. Infection is understood in the sense of contamination. Contaminating air or water with harmful organisms is said to cause infection.nfection affects a person with disease. On the other hand disease is the end result of an infection. This is the main difference between infection and disease. In short it can be said that infection leads to disease. A person gets a disease if he or she carries an infection.