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  1. Scanning electron micrograph of a human neutrophil ingesting MRSA
  2. Bacterial Growth On Culture Media
  3. Tuberculosis bacteria, artwork
  4. Colorized image of HIV-infected H9 T-cell
  5. Microscopic view of the common cold virus
  6. Microscopic view of Penicillium expansum
  7. Oral Streptococcus Bacteria, SEM
  8. Conceptual image of salmonella
  9. Virus, artwork
  10. Escherichia coli bacteria, SEM
  11. Bacteriophage virus, artwork
  12. Microscopic view of herpes virus
  13. Salmonella bacteria, SEM
  14. Microscopic view of a leukemia cell
  15. Microscopic viruses floating in an environment
  16. Group of H5N1 virus with glassy view
  17. Helicobacter pylori bacteria, SEM