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

Martha Lillard, the last known polio survivor in the United States to rely on an iron lung, has died at the age of 78. Reports from major media outlets, including the BBC and The Guardian, confirmed her passing, marking the end of a profound chapter in modern medical history. Lillard was among the very few remaining individuals globally who still used the mid-century mechanical respirator to survive.

Lillard contracted polio as a child and spent subsequent decades relying on the negative-pressure ventilator for hours each day. The machine, a large cylindrical metal cabinet, functions by using bellows to alter air pressure, forcing the patient's lungs to inhale and exhale. According to reports, Lillard’s ability to survive for more than 70 years with the condition was sustained by her own determination and a small network of technicians who helped source replacement parts for the obsolete machinery.

Developed in the 1920s, the iron lung became a defining symbol of the global struggle against poliomyelitis. Before the widespread rollout of vaccines in the 1950s, polio epidemics regularly swept through communities, paralyzing thousands of children. While modern positive-pressure ventilators eventually superseded the iron lung, a small group of survivors chose to remain with the older technology, citing its familiarity and the physical complications of transitioning to newer systems.

The decline of the iron lung and the passing of its final users underscore critical lessons in pandemic preparedness and healthcare infrastructure. The eradication of polio in the Western hemisphere was achieved through coordinated, national immunization campaigns, illustrating the power of preventive medicine. However, public health experts note that the history of the technology serves as a stark reminder of humanity's ongoing vulnerability to respiratory illnesses and the necessity of maintaining robust global health networks.

With Lillard's passing, the iron lung transitions fully from an active, life-sustaining medical device into a historical artifact. Public health agencies continue to emphasize that vigilance, vaccine access, and scientific readiness remain the primary defenses against the resurgence of infectious diseases that once required such emergency interventions.