[["Helen Keller became blind and deaf at the age of 19 months due to an unknown illness, potentially rubella or scarlet fever.", 104.0], ["At 19 months old, Keller contracted an unknown illness described by doctors as \"an acute congestion of the stomach and the brain\", which might have been scarlet fever or meningitis. The illness left her both deaf and blind.\n", 70.0], ["She became blind in LIFE, not death. When she was 18 months old she contracted an illness, possibly rubella, or scarlet fever, which left her blind and deaf.", 31.0], ["according to wikipedia,At 19 mths old, Keller contracted an unknown illness described by doctors as,an acute congestion of the stomach and the brain,possibly scarlet fever or meningitis,The illness left her both deaf and blind,She lived,as she recalled in her autobiography,at sea in a dense fog", 27.0], ["At 19 months old, Keller contracted an unknown illness described by doctors as \"an acute congestion of the stomach and the brain\", which might have been scarlet fever or meningitis. The illness left her both deaf and blind.", 27.0], ["At 19 months old, Keller contracted an unknown illness described by doctors as \"an acute congestion of the stomach and the brain\", which might have been scarlet fever or meningitis. The illness left her both deaf and blind.", 18.0]]
how did helen keller become blind in death
literature