Meningococcal pneumonia

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Isolated meningococcal pneumonia is a rare form of community acquired pneumonia and clinically indistinguishable from other forms except that the organism Neisseria meningitidis is grown from appropriate cultures. It has a mortality rate of less than 9% and is often caused by serogroup Y[1]. It occurs in between 5% and 15% of all patients with invasive meningococcal disease and is thus the second most common non-systemic end-organ manifestation, with cases manifest by either meningococcal meningitis or meningococcal septicaemia being classed differently[2] as their initial management will be different.

Person-to-person transmission of Neisseria meningitidis is a legitimate concern due to droplet spread and so it has significant public health contact and prophylaxis implications. It is a notifiable disease.