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Sem·mel·weis(zĕm′əl-vīs′), Ignaz Philipp Originally Ignác Fülöp Semmelweis. 1818-1865.
Hungarian physician who determined that puerperal fever in a maternity clinic in Vienna was spread by doctors and students who examined pregnant women directly after performing autopsies. The mortality rate dropped after he required staff members to disinfect their hands before examinations.
(Biography) Ignaz Philipp. 1818–65, Hungarian obstetrician, who discovered the cause of puerperal infection and pioneered the use of antiseptics