The Official Journal of the Turkish Society Of Clinical Microbiology and Infectious Diseases (KLİMİK)

Commentary

Ignaz Philip Semmelweis: The Tragic Pioneer of Hand Hygiene

Şiran Keske
×Affiliations
  • Department of Infectious Diseases and Clinical Microbiology, Koç University School of Medicine, İstanbul, Türkiye
  • Department of Infectious Diseases and Clinical Microbiology, American Hospital, İstanbul, Türkiye
  • Koç University İşbank Center for Infectious Diseases, İstanbul, Türkiye

The Tragedy of Childbed Fever

In the 19th century, childbed fever claimed the lives of many women following childbirth. At the Vienna General Hospital (Allgemeines Krankenhaus der Stadt Wien), there were two obstetrics clinics: one staffed by physicians and medical students, and the other exclusively by midwives. Alarmingly, the maternal mortality rate was significantly higher in the former. While others remained indifferent, Semmelweis was determined to uncover the reason behind this discrepancy.

Semmelweis’s Insight

Semmelweis observed that medical students and physicians often moved directly from performing autopsies to delivering babies — without washing their hands. He hypothesized that “cadaverous particles” were being transmitted to the mothers, causing fatal infections.

After convincing his superior, Professor Johann Klein, Semmelweis introduced mandatory handwashing with a chlorinated lime solution before examining patients. The results were dramatic: maternal mortality dropped from approximately 16% to below 2% within months (1).

Rejection and Isolation

Despite the compelling results, Semmelweis’s findings were met with skepticism and even hostility. His colleagues found it hard to accept that their own hands could be instruments of death. Furthermore, the absence of a scientific explanation — since germ theory had not yet been established — hindered the acceptance of his ideas. Although he published his findings in 1861 (2), his confrontational style and unwillingness to ­engage in academic discourse left him marginalized (3).

Eventually, Semmelweis left Vienna and returned to Budapest in 1857, where he continued promoting hand hygiene and again saw dramatic reductions in maternal mortality. However, professional rejection and isolation took a toll on his mental health. In 1865, he sustained a hand injury while working with a cadaver and died shortly thereafter at the age of 47 — ironically, from the very infection he sought to prevent (1).

A Legacy Acknowledged

Figure 1. Marble statue of Ignaz Philipp Semmelweis.

Semmelweis’s work was recognized only years after his death, particularly following the development of germ theory by Louis Pasteur and the introduction of antiseptic methods by Joseph Lister. In 1892, the Royal College of Physicians acknowledged his contributions to preventing puerperal fever and funded an international monument in his honor in Budapest (4).

Today, hand hygiene is universally acknowledged as the most effective measure to prevent healthcare-associated infections. Semmelweis is celebrated as a pioneer whose persistence helped save countless lives.

The 200th Anniversary

Figure 2. Austrian physician, “Saver of Mothers”, woodcut,
idealizing, 19th century

In 2018, Hungary marked the bicentennial of Semmelweis’s birth by declaring it the “Semmelweis Memorial Year.” Events across Hungary and worldwide commemorated his life and achievements. Semmelweis University in Budapest hosted ceremonies, unveiled new statues, and issued commemorative coins and stamps. These tributes served not only to honor his enduring legacy but also to emphasize the ongoing importance of infection control in healthcare settings (5).

Lessons from Semmelweis’s Legacy

Curiosity and Observation

Semmelweis’s breakthrough stemmed from keen observation and a curious mind. He built upon existing knowledge to address a major public health problem, illustrating how science advances incrementally.

Resistance to Innovation

Even with clear evidence, many resisted his ideas. His story reminds us that new approaches often face opposition, particularly when they challenge entrenched beliefs.

The Power of Communication

Semmelweis struggled to communicate his findings effectively and alienated many peers. His experience underscores that how we present scientific ideas is just as important as the ideas themselves.

Consequences of Delay

The rejection of his evidence cost many lives. His story serves as a cautionary tale about the dangers of ignoring data and delaying the implementation of life-saving interventions.

Conclusion

Ignaz Semmelweis is remembered as the “Savior of Mothers” for identifying the role of hand hygiene in preventing puerperal fever. His journey began with a simple yet powerful observation: handwashing saves lives. Semmelweis’s life exemplifies the qualities needed to advance science: curiosity, courage, challenge, confidence, concentration, and continuity — the “6 Cs” identified by Nobel laureate Tasuku Honjo. To these, we may add a seventh: communication. As Semmelweis’s experience so vividly illustrates, scientific progress depends not only on discovery but also on how it is shared (6).

Ethical Approval: N.A.

Informed Consent: N.A.

Peer-review: Externally peer-reviewed

Conflict of Interest: The authors declare no conflict of interest.

Financial Disclosure: The authors declared that this study has received no financial support

Show References

References

  1. Reis RA. Ignaz Semmelweis; the story of puerperal infection. Q Bull Northwest Univ Med Sch. 1959;33(2):133-40.
  2. Semmelweis IP. Die Aetiologie, der Begriff und die Prophylaxis des Kindbettfiebers. Pest, Vienna, Leipzig: C.A. Hartleben’s Verlag-Expedition; 1861.
  3. Mayer CF. Two unpublished letters of Semmelweis. Bull Med Libr Assoc. 1942;30(3):233-6.
  4. International Monument to Semmelweis. Br Med J. 1892;2(1662):1026-7.
  5. Semmelweis Memorial Year 2018 [Internet]. Semmelweis 200. [cited Jun 18, 2025]. Available from: http://semmelweis200.hu/english/semmelweis200/
  6. Interview with Tasuku Honjo – Nobel Prize in Physiology or Medicine 2018 [Internet]. NobelPrize.org; 2018 [cited Jun 17, 2025]. Available from: https://www.nobelprize.org/prizes/medicine/2018/honjo/159695-tasuku-honjo-interview-transcript/