Haemophilus influenzae in sputum

Haemophilus influenzae in sputum

Gram stain of sputum (x1000) shows inflammatory cells and very small gram-negative coccobacilli. Haemophilus influenzae grew from this specimen on chocolate agar and was shown to utilize X and V factors.

Courtesy of Harriet Provine.

Graphic 72893 Version 4.0