03:01 PM EDT 07/06/2014
Originally posted 02/05/2013 09:45AM
Think you know everything about Laura Ingalls Wilder's Little House on the Prairie series?
Readers of the beloved series will remember how Wilder's older sister Mary went blind as a result of scarlet fever. But a new study published in Pediatrics, the Official Journal of the American Academy of Pediatrics, has revealed the cause of Mary's blindness was likely meningoencephalitis – a disease similar to meningitis.
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