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  1. Antibiotic mechanism of action, artwork
  2. Conceptual image of the coronavirus
  3. Microscopic view of Listeria monocytogenes
  4. Bacteria infecting a macrophage, SEM
  5. Microscopic view of virus
  6. E. coli bacteria strain O157:H7, TEM
  7. Sleeping sickness parasite
  8. Group of H5N1 virus with glassy view
  9. CD4 protein fragment, molecular model
  10. E. coli bacteria
  11. Microscopic view of Stachybotrys chartarum
  12. Salmonella, TEM
  13. Helicobacter pylori bacteria, SEM
  14. Viral transfer of bacterial DNA, artwork
  15. Microscopic view of Stachybotrys
  16. Influenza C virus, TEM
  17. Epithelial gonorrhoea infection, SEM