bacteria attacking the immune system

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Microscopic view of immune system cells attacking pathogenic bacteria Royalty Free Stock Photo

Immune system cells fight bacterial invaders. Antibodies attack bacteria. Molecular biology illustration shows cells attacking Royalty Free Stock Photo

3D medical illustration of the human immune system, focusing on white blood cells attacking bacteria Royalty Free Stock Photo

3D medical illustration of the human immune system, focusing on white blood cells attacking bacteria, using a vibrant green and Royalty Free Stock Photo

Bacteria attacking the immune system Royalty Free Stock Photo

The immune system protects the body from possibly harmful substances by recognizing and responding to antigens. Antigens are substances (usually proteins) on the surface of cells, viruses, fungi, or bacteria.