Martha Lillard had just turned 5 when she was diagnosed with polio and depended on an iron lung to live. She died June 26 in Oklahoma, the last U.S. polio patient who used the machine, her sister said. She was 78.

Martha Lillard, the last U.S. polio patient using an iron lung, has died at 78 in Oklahoma

Martha Ann Lillard, 78, died on June 26 having spent more than seventy years relying on the device.

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