Streptococcus pneumoniae bacteria, animation - HD Bildbanksvideo

Animation of pneumococcus bacteria, Streptococcus pneumoniae, a common cause of pneumonia and bacterial meningitis. S. pneumoniae is a normal member of the bacterial flora of the upper respiratory tract, but it can become pathogenic in certain cases, such as when the host has a weakened immune system. The bacteria usually exist in pairs (diplococci)