Photomicrograph of Streptococcus pneumoniae from human sputum, Gram stain, mag. 500x (at 24 x 36 mm). Also called pneumococcus, this gram-positive bacterium is the most common cause of pneumonia and bacterial meningitis. It is also an etiological agent of otitis media, purulent sinusitis, and peritonitis.
Credit
Luis M. de la Maza
Dimensions
3614 x 2427 pixels
Print Size @ 300 dpi
12 x 8 inches / 31 x 21 cm