Martha Lillard, last known US polio survivor using iron lung, dies aged 78

Martha Lillard, the last known American polio survivor relying on an iron lung, died at 78 after contracting the disease at age five and spending most of her life in the breathing apparatus. Her death follows Paul Alexander's in 2022, ending an era when iron lungs sustained thousands of polio patients during the disease's peak in the 1950s.