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