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  1. Scanning electron micrograph of a human neutrophil ingesting MRSA
  2. Scanning electron micrograph of Staphylococcus and a dead human neutrophil
  3. E. coli bacteria, SEM
  4. Virus particles entering cells, artwork
  5. Microscopic view of coronavirus
  6. Scanning electron micrograph of HIV particles infecting a human H9 T cell
  7. Bacterial Growth On Culture Media
  8. Salmonella bacteria, SEM
  9. Cells from a urine infection, SEM
  10. Tuberculosis bacteria, artwork
  11. Colorized image of HIV-infected H9 T-cell
  12. Microscopic view of the common cold virus
  13. Microscopic view of bacteria
  14. Virus particles, conceptual artwork
  15. Microscopic view of rotavirus
  16. Scanning electron micrograph of HIV particles infecting a human T cell
  17. Bacteria infecting a macrophage, SEM
  18. HaCaT culture cells, light micrograph
  19. Cyanobacteria, SEM
  20. H1N1 flu virus particle, artwork
  21. E. coli bacteria, SEM
  22. Avian flu virus, TEM
  23. Syphilis bacterium (Treponema pallidum)
  24. Virus particles, artwork
  25. Bacteria infecting a macrophage, SEM
  26. Microscopic view of diplococcus bacterium
  27. Tongue bacteria, SEM
  28. Microscopic view of human antibodies with red blood cells
  29. Antibiotic destroying a bacterium
  30. HIV virus particles, artwork
  31. Colorized scanning electron micrograph of filamentous Ebola virus particles
  32. Microscopic view of Penicillium expansum
  33. Pseudomonas aeruginosa bacteria, SEM
  34. Oral Streptococcus Bacteria, SEM
  35. Anaerobiospirillum thomasii flagella, TEM
  36. Legionella bacteria
  37. Microscopic view of Giardiasis
  38. Conceptual image of salmonella
  39. Yeast protein interaction map
  40. Enterococcus faecalis bacteria, SEM
  41. Virus, artwork
  42. Escherichia coli bacteria, SEM
  43. Bacteria infecting a macrophage, SEM
  44. Conceptual image of influenza causing flu
  45. HIV particles, TEM
  46. Bacteria infecting macrophage cells, SEM
  47. Conceptual image of plasmodium causing malaria
  48. Tongue bacteria, TEM