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सुपर कीटाणुओं का कैसे करें मुकाबला? Understanding Superbugs and Antibiotic Resistance ft. Anirban Mahapatra

·1 hr 6 min·5 clips

Microbiologist Anirban Mahapatra reveals bacteria have been on Earth for 3 billion years and outnumber human cells in our bodies.

The episode begins with hosts Saurabh Chandra, Pranay Kotasthane, and Khyati Pathak introducing guest Anirban Mahapatra, a microbiologist and author. Mahapatra explains his background in microbiology and science communication, leading to his book on superbugs. He defines superbugs as bacteria resistant to antibiotics, emphasizing they are a growing global threat. The discussion starts with the basics: bacteria are ancient life forms, present in humans in vast numbers, and mostly harmless until conditions change. Antibiotic resistance arises naturally through evolution and is amplified by human overuse. Mahapatra details how bacteria evolve resistance quickly due to short doubling times and horizontal gene transfer. He provides historical context with the discovery of penicillin and its life-saving role. The scale of the problem is highlighted: superbugs cause 1.3 million deaths yearly, projected to exceed cancer deaths by 2050. The challenge of developing new antibiotics is explained through Eroom's Law, showing discovery is getting harder as easy soil bacteria are exhausted. Misconceptions are addressed, such as taking antibiotics for viral infections being harmful and the myth that individuals become resistant (it's the bacteria). The conversation shifts to public policy, framing antibiotic resistance as a negative externality and market failure. Agricultural misuse is critiqued, with 70% of antibiotics used in farming, leading to resistance in last-resort drugs like colistin. Solutions proposed include public awareness, incentives for pharmaceutical companies, government interventions like advance commitments, improved diagnostics, and better healthcare infrastructure. Vaccination and sanitation are highlighted as preventive measures. The episode concludes with a call to action for individual and societal change.

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