Neisseria (gram negative cocci)

 Gram Negative Cocci; Neisseria

All gram negative cocci during gram staining procedure produce gram negative (pink or red colours) round or spherical bacteria.

Neisseria consisting of gram negative, aerobic cocci, two neisseria species pathogenic for humans species are;

1. Neisseria gonorrhoea

Causing gonorrhoea 

2. Neisseria meningitidis

Causing meningitis