Stock Photo - Scanning Electron Micrograph SEM of Streptococcus pneumoniae bacteria. This Gram_negative bacterium is a leading cause of pneumonia. It also causes many other pathologies like middle ear infections otitis media, bacteremia and meningitis.

Stock Photo: Scanning Electron Micrograph SEM of Streptococcus pneumoniae bacteria. This Gram-negative bacterium is a leading cause of pneumonia.