AshikaKnowledge Contributor
How do the disease-causing germs invade my body?
How do the disease-causing germs invade my body?
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Entering the Human Host
Microorganisms capable of causing disease—pathogens—usually enter our bodies through the mouth, eyes, nose, or urogenital openings, or through wounds or bites that breach the skin barrier. Organisms can spread—or be transmitted—by several routes.