Identification of complement deficient patients allows the implementation of strategies to prevent recurrent infection. [ncbi.nlm.nih.gov]

It can also cause nausea, vomiting, and sensitivity to light. Infants may have feeding problems and a weak cry, and they may be irritable and sluggish. Bloodstream infections may cause a rash of red or purple spots. [merckmanuals.com]

Features at presentation in decreasing order of frequency were: fever (89.5%), tachypnoea (73.3%), rash (59% [maculopapular 17.1%, petechial 27.6% and purpuric 14.3%]), vomiting (52.4%), irritability (44.8%), tachycardia (37.5%), lethargy (36.2%), neck [ncbi.nlm.nih.gov]

impairment in 0.9 % each. [ncbi.nlm.nih.gov]

Fever was the most common manifestation (100 %) followed by meningeal signs (78.2 %), headache (56.4 %), vomiting (53.6 %), shock (38.2 %), low Glasgow coma scale (GCS) (25.5 %), purpura and rashes (23.6 %), seizures (9.1 %), abdominal symptoms (4.5 % [ncbi.nlm.nih.gov]

Meningitis often causes fever, headache, red rash, and a stiff neck. It can also cause nausea, vomiting, and sensitivity to light. Infants may have feeding problems and a weak cry, and they may be irritable and sluggish. [merckmanuals.com]

However, unusual epidemiologic features of the case and cerebrospinal fluid abnormalities suggested meningococcal meningitis as the probable etiology. Serologic studies confirmed recent meningococcal infection. [ncbi.nlm.nih.gov]