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  1. H1N1 flu virus particle, artwork
  2. Bacteria infecting a macrophage, SEM
  3. Bacterial Growth On Culture Media
  4. Microscopic view of diplococcus bacterium
  5. Helicobacter pylori bacteria
  6. TEM of Proteus mirabilis bacterium
  7. Petri dish bacterial cultures, picking a colony
  8. Used interdental brush, SEM
  9. Clostridium difficile bacteria, TEM
  10. Conceptual image of influenza causing flu
  11. Tongue bacteria, SEM
  12. TEM of Bordetella pertussis bacteria
  13. Staphylococcus epidermidis bacteria
  14. Cryptosporidiosis, TEM
  15. Bacterial lung infection
  16. E. coli bacteria, SEM
  17. Tuberculosis bacteria
  18. Pseudomonas aeruginosa bacteria, SEM
  19. Conceptual image of flagellate bacterium
  20. HaCaT culture cells, light micrograph
  21. Bilharzia infection, ureter tissue
  22. Enterococcus faecalis bacteria, SEM
  23. Conceptual image of plasmodium causing malaria
  24. Stack of petri dishes with bacterial cultures
  25. Pseudomonas aeruginosa bacteria, SEM
  26. Artistic representation of the immune system's reaction to bacteria invading the tissues
  27. Oral Streptococcus Bacteria, SEM
  28. Tongue bacteria, TEM
  29. CD4 protein fragment, molecular model
  30. Vibrio cholerae bacterium, TEM
  31. Clostridium botulinum bacteria with spores
  32. Conceptual image of the coronavirus
  33. Salmonella bacteria, SEM
  34. Hepatitis C virus, molecular model
  35. Legionella bacteria
  36. Microscopic view of ebola virus
  37. E. coli bacteria, SEM
  38. Rod-shaped bacteria, artwork
  39. Anthrax bacteria
  40. Helicobacter pylori bacterium, TEM
  41. Tongue bacteria, SEM
  42. Gonorrhoea bacteria, TEM
  43. Bacteriophage virus, artwork
  44. Cell division in Salmonella bacterium
  45. E. coli 0157:H7 bacteria
  46. Gut bacterium, TEM
  47. Ebola viruses, artwork
  48. Group of H5N1 virus with glassy view