Pathophysiology: Meningitis is an inflammation of the tissue lining that covers the brain and spinal cord. The pathogenesis of each family of viruses that causes viral meningitis varies. It is uncommon complication of common systemic infections. In children some studies shows learning disabilities, neuromuscular impairments (ie, mild paresis or loss of coordination), and deafness to viral meningitis. Communicating hydrocephalus is a rare complication of viral meningitis.
Disease Statistics: Bacterial meningitis is associated with significant burden in Brazil. Haemophilus influenzae type b vaccine was previously introduced in 1999.
Treatment: For most of the cases, there is no specific treatment for viral meningitis. Mostly people completely recover on their own within 7 to 10 days. However disease from certain viruses such as herpesvirus and influenza requires treatment with an antiviral medication. Antibiotics are useful only in cases of bacterial meningitis.
Research: Bacterial meningitis is major research area in Brazil in some common institutes such as Research and Education Institute (IEP), Hospital Sírio-Libanês, São Paulo; Emergency Medicine Department, University of São Paulo; Department of Collective Health, Federal University of Goiás, Goiânia.