Chains of Streptococcus pneumoniae. This gram-positive oval-shaped bacterium is one of the causes of pneumonia. Although it is found living in the body without causing damage, S. pneumoniae can cause dangerous opportunistic infections to the lungs.
Streptococcus pneumoniae ,also called Diplococcus pneumoniae, Bacteria cell division into the common diplococci form. These gram-positive pneumococci are one of several pathogens that cause pneumonia and other human diseases.