Relating to the use of bacteria or bacterial products as a medical treatment.
From bacterio- + therapeutic (from Greek 'therapeia,' healing). This term emerged in early 20th century when scientists discovered some bacteria could have healing properties, leading to phage therapy research.
Sound weird? Bacteriophage therapy—using viruses that eat bad bacteria—is making a comeback as antibiotic resistance grows, and some hospitals are reviving century-old bacterial healing techniques!
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