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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. Cells from a urine infection, SEM
  6. Virus particles entering cells, artwork
  7. Microscopic view of coronavirus
  8. Scanning electron micrograph of HIV particles infecting a human H9 T cell
  9. Bacterial Growth On Culture Media
  10. Salmonella bacteria, SEM
  11. Bacteria infecting a macrophage, SEM
  12. Tuberculosis bacteria, artwork
  13. Stamp out Syphilis and Gonorrhea - WPA Poster
  14. Colorized image of HIV-infected H9 T-cell
  15. Microscopic view of bacteria
  16. Virus particles, conceptual artwork
  17. Microscopic view of the common cold virus
  18. Pneumonia Strikes like a Man Eating Shark - WPA Poster
  19. Microscopic view of rotavirus
  20. Scanning electron micrograph of HIV particles infecting a human T cell
  21. HaCaT culture cells, light micrograph
  22. Cyanobacteria, SEM
  23. H1N1 flu virus particle, artwork
  24. Shame may be Fatal - WPA Poster
  25. Tuberculosis bacteria
  26. Virus particles, artwork
  27. Avian flu virus, TEM
  28. E. coli bacteria, SEM
  29. Syphilis bacterium (Treponema pallidum)
  30. Viral throat infection, artwork
  31. Bacteria infecting a macrophage, SEM
  32. Microscopic view of diplococcus bacterium
  33. Tongue bacteria, SEM
  34. Bilharzia infection, ureter tissue
  35. Antibiotic destroying a bacterium
  36. Breast cancer cells, SEM
  37. HIV virus particles, artwork
  38. Colorized scanning electron micrograph of filamentous Ebola virus particles
  39. Microscopic view of Penicillium expansum
  40. Pseudomonas aeruginosa bacteria, SEM
  41. Oral Streptococcus Bacteria, SEM
  42. Cryptosporidiosis, TEM
  43. Anaerobiospirillum thomasii flagella, TEM
  44. Legionella bacteria
  45. Microscopic view of Giardiasis
  46. Microscopic view of human antibodies with red blood cells
  47. Conceptual image of salmonella
  48. Yeast protein interaction map