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Infection
invasion of and multiplication in a host by disease-causing pathogens or organisms, and the reaction of host tissues / From Wikipedia, the free encyclopedia
Infection is the invasion of an organism's body tissues by disease-causing agents. The disease is caused by the invading agents multiplying. As they multiply, they produce toxins and damage host tissues.[1][2] Infectious disease, also known as 'transmissible disease' or 'communicable disease', is illness resulting from an infection.
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