Secretory Immunoglobulin A (sIgA): The first line of immune defence.

The human body has many mucous surfaces, which represent a grand entrance for foreign microorganisms like pathogens, viruses, bacteria, and parasites. These surfaces are located in your nose, throat, eyes,…

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Opportunistic Pathogens: Organism that causes disease

The human body is an open harbor, which hosts an incredible amount of microorganisms. Some of them are friendly explorers, while others can be aggressive invaders. Anyway, they all share…

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