Gram-negative diplococcus, non-motile carried by ~10-20% of the population in the nasopharynx asymptomatically. Outbreaks often occur in conditions of overcrowding and it is transmitted via respiratory droplets. It causes Meningococcal meningitis which pr

Gram-positive, short rods that can cause meningitis in newborns, immunocompromised adults and intrauterine infections during pregnancy. It may be carried in gut as normal flora and transmission occurs via ingestion (uncooked or unpasteurized foods, soft c