Infections and the Brain

The brain is well protected against most infections, but once they get into or around the brain they can cause fatal or serious long-term consequences. Some bacterial, viral and parasitic infections are particularly well adapted to the brain, ranging from meningococcal meningitis and encephalitis to cerebral malaria and sleeping sickness. Transmission is by several routes including airborne and via mosquitoes and ticks. Control measures including vaccination have reduced the risk of some, b...