Answer:
Infections may be defined as the invasion of the individual body's organ or tissue with the pathogens and the toxins produced by the pathogen. Infections can cause redness, swelling and pain in the individual.
The individual might develop infection if it has the improper or the impaired body's immune system. The chronical diarrhea and other disease might result in the prolonged infection. The client's tissue invasion with the allergens might also result in inflammation.