In 1847, Hungarian physician Ignaz Semmelweis introduced a handwashing protocol that dramatically reduced the incidence of childbed fever in maternity wards. By mandating that medical staff disinfect their hands with chlorinated lime before attending to patients, Semmelweis demonstrated the importance of hygiene in preventing infection. His pioneering work laid the groundwork for modern antiseptic practices, although it faced resistance during his time, ultimately influencing public health standards in medical care.

Ignaz Semmelweis's introduction of handwashing protocols in 1847 marked a significant advancement in medical hygiene, influencing realist literature and poetry. Writers like Émile Zola incorporated themes of human vulnerability and the need for reform in their works, reflecting societal changes in health practices.