what causes bacterial meningitis in adults
Bacterial meningitis is a rare but potentially fatal disease. It can be caused by several types of bacteria that first cause an upper respiratory tract infection and then travel through the blood stream to the brain.The disease can also occur when certain bacteria invade the meninges directly.acterial meningitis is fatal in 5% to 40% of children and 20% to 50% of adults despite treatment with adequate antibiotics. It is caused by bacteria that usually spread from an ear or respiratory infection and is treated with antibiotics. Corticosteroids are drugs that can reduce the inflammation caused by infection.