Maningitis sio uvimbe wa ubongo. Bali ni ineflamation ya ngozi nyembamba 2 inazozunguka ubongo. Kati ya ngozi hizi panakuweko maji maji ambayo muumba aliweka kama cussion ili unapo pata blow to the head iweze kuwa absorbed hapo. Inflamation hiyo yaweza kuwa bacterial eg Nisseria Maningococus na watoto hata E. Colii, au yaweza kuwa mechanical after a svere blow to the headTiba huwa acording to cause.Diagnosis: Neck stiffness, loss of concentration, fever, reddning of eyes na kwenye lumber puncture utapata cause. Kwa kufanya Grams Stain na proteins na glucoseKwa waathika chief couse ni cripto coccus.