Gram stain smear of sputum specimen, notice neutrophils and streptococcus pneumoniae diplococci

Gram stain shows multiple gram-negative diplococci within polymorphonuclear leukocytes as well as in the extracellular areas of a smear from urethral discharge   References: http://www.fpnotebook.com http://wwnorton.com  

Streptococcus pneumoniae in sputum sample from patient with pneumonia, showing gram positive diplococci

 

Different forms of Bacteria: Coccus Bacilli Spirochetes