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Medizin l Aufnahme eines Neutrophilen, Methicillin-resistente Staphylococcus aureus-Bakterien
Image: IMAGE POINT FR/NIH/NIAID/BSIP/picture alliance

Infectious diseases

In humans, infectious diseases are disorders that are caused by, in most cases, microscopic organisms and material, such as bacteria, viruses, fungi and spores, and parasites.