TBE is a viral disease that is spread by ticks that can cause inflammation of the brain, meninges or both places. Most people who are infected get mild problems with fever and headaches and get healthy after a few days, but up to a third get brain inflammation or meningitis.
Polio is a viral disease that spreads with stool and contaminated water. It can also be spread between people. Polio can damage the spinal cord and cause paralysis. Most people get healthy but the disease can be life threatening.
Japanese brain inflammation is a viral disease found in Southeast Asia and much of eastern Asia. The disease is also called Japanese encephalitis and is spread by mosquitoes. The disease is uncommon, but can be serious and even life-threatening. You can vaccinate yourself against Japanese brain inflammation.
Meningitis is an uncommon disease that can be due to viruses or bacteria. When the virus is the cause, you usually recover completely after a few weeks without any treatment. However, meningitis caused by bacteria is a serious disease that needs prompt hospital care.
Epidemic meningitis is a bacterial disease. It is found throughout the world, but is most common in western and central sub-Saharan Africa. The disease is unusual but life-threatening and can also cause lasting problems. You can vaccinate yourself against epidemic meningitis.