Haemophilus influenzae Bacteria, LM

abnormal aerobic b influenzae bacillus influenzae bacteria disease eubacteria gammaproteobacteria gram gram stain h influenzae haemophilus influenzae haemophilus histopathology infectious disease lm medicine microbiology micrograph microorganism microscopic optical microscopy pasteurellaceae pasteurellales pathogen pfeiffers bacillus prokaryote proteobacteria rod shaped single celled organism unhealthy