Bacteria Neisseria meningitidis, or meningococcus, 3D illustration. A Gram-negative diplococcal bacterium that causes meningitis and meningococcemia

Bacteria Neisseria meningitidis, or meningococcus, 3D illustration. A Gram-negative diplococcal bacterium that causes meningitis and meningococcemia - 150740492

Viruses in infected organism, 3D illustration. Viruses in infected organism, viral disease epidemic.

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