What is Haemophilus Influenzae Gram Stain?

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Gram stain is a method of staining. Through this way, bacterial species are distinguished and classified into two large groups (gram-positive and gram-negative).
  • Gram-positive bacteria retain the crystal violet dye, and thus are stained violet.
  • Gram-negative bacteria are stained a pink color.
Haemophilus influenzae is a gram-negative bacterium, thereby showing a pink color after gram stained. Here are some pictures. Keyword: haemophilus influenzae gram stain