The document provides an overview of meningitis, including: 1) Meningitis is a serious inflammation of the meninges that protects the brain and spinal cord. It can be caused by bacteria, viruses, fungi or other factors. 2) Symptoms include fever, headache, vomiting, sensitivity to light, and stiff neck. Left untreated, meningitis can cause brain damage or death. 3) Diagnosis involves spinal fluid tests. Treatment focuses on antibiotics, antivirals or antifungals depending on the cause. Early diagnosis and treatment are important to prevent long term effects.