Neisseria is a large genus of bacteria that colonize the mucous membranes of many animals. Of the 11 species that colonize humans, only two are pathogens: N. meningitidis and N. …

Neisseria refers to a genus of Gram-negative bacteria, typically appearing as diplococci with flattened adjacent walls, which includes both pathogenic species, Neisseria meningitidis and …

Jun 2, 2025 · Meningococcal disease, caused by Neisseria meningitidis, manifests as a range of conditions from asymptomatic nasopharyngeal colonization to severe meningitis and …

CDC provides information on meningococcal disease for the public, healthcare providers, and others.

Jul 21, 2025 · This guide covers the Neisseria genus of bacteria, explaining the distinction between its harmless members and the pathogens that require medical management.

Jul 1, 2025 · Meningococcal disease (meh-ning-goh-KOK-uhl deh-ZEEZ) is a rare infection that Neisseria meningitidis (N. meningitidis) bacteria cause. Another name for N. meningitidis is …

Oct 3, 2023 · There are many individual case reports describing invasive disease caused by commensal Neisseria which may elicit further detail when examined as a whole. This review …

Neisseria spp. are gram-negative bacteria in humans, with N. meningitidis and N. gonorrhoeae as key pathogens. Known for antibiotic resistance and immune evasion, they pose clinical …

Neisseria is a genus of gram-negative bacteria that typically appears as nonmotile, aerobic cocci often found in pairs. While many species of Neisseria are part of the normal flora in the human …

Neisseria meningitidis, often referred to as the meningococcus, is a Gram-negative bacterium that can cause meningitis and other forms of meningococcal disease such as meningococcemia, a …