Alexander Fleming discovered the first antibiotic, penicillin, in 1927. Since then, antibiotics – drugs that fight bacterial infections – have saved millions of lives worldwide. Although antibiotics have many beneficial effects, over-use of these medicines has created the new problem of antibiotic resistance. Antibiotic resistance is one of the world’s most critical public health concerns. Antibiotic resistance occurs when bacteria change in a way that reduces or eliminates the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections. The bacteria survive and continue to multiply, causing more harm. Read About How Antibiotic Resistance in Livestock Harms Our Health Over the last decade, almost every type of bacteria has become stronger and less responsive to antibiotic treatment. Bacteria and other microorganisms that cause infections are remarkably resilient and can survive drugs designed to kill them. These antibiotic-resistant bacteria can quickly spread to others, threatening the community with …