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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. Tuberculosis, Don't Kiss Me!: Your Kiss of Affection, the Germ of Infection - WPA Poster
  4. E. coli bacteria, SEM
  5. Virus particles entering cells, artwork
  6. Microscopic view of coronavirus
  7. Scanning electron micrograph of HIV particles infecting a human H9 T cell
  8. Bacterial Growth On Culture Media
  9. Cells from a urine infection, SEM
  10. Tuberculosis bacteria, artwork
  11. Stamp out Syphilis and Gonorrhea - WPA Poster
  12. Colorized image of HIV-infected H9 T-cell
  13. Microscopic view of the common cold virus
  14. Microscopic view of bacteria
  15. Virus particles, conceptual artwork
  16. Pneumonia Strikes like a Man Eating Shark - WPA Poster
  17. Microscopic view of rotavirus
  18. Scanning electron micrograph of HIV particles infecting a human T cell
  19. Bacteria infecting a macrophage, SEM
  20. H1N1 flu virus particle, artwork
  21. Shame may be Fatal - WPA Poster
  22. Tuberculosis bacteria
  23. E. coli bacteria, SEM
  24. Avian flu virus, TEM
  25. Syphilis bacterium (Treponema pallidum)
  26. Virus particles, artwork
  27. Viral throat infection, artwork
  28. Bacteria infecting a macrophage, SEM
  29. Microscopic view of diplococcus bacterium
  30. Bilharzia infection, ureter tissue
  31. Microscopic view of human antibodies with red blood cells
  32. HIV virus particles, artwork
  33. Breast cancer cells, SEM
  34. Colorized scanning electron micrograph of filamentous Ebola virus particles
  35. Microscopic view of Penicillium expansum
  36. Pseudomonas aeruginosa bacteria, SEM
  37. Oral Streptococcus Bacteria, SEM
  38. Cryptosporidiosis, TEM
  39. Anaerobiospirillum thomasii flagella, TEM
  40. Microscopic view of Giardiasis
  41. Conceptual image of salmonella
  42. Enterococcus faecalis bacteria, SEM
  43. Virus, artwork
  44. Pseudomonas aeruginosa bacteria, SEM
  45. Escherichia coli bacteria, SEM
  46. Bacteria infecting a macrophage, SEM
  47. Conceptual image of influenza causing flu
  48. HIV particles, TEM