AMR is a public health concern we must resolve together | Dr. Somdatta Karak | TEDxJNTU Hyderabad

Quick Overview

Dr. Somdatta Karak emphasizes that Antimicrobial Resistance (AMR) is a critical, silent global threat causing millions of deaths annually, largely due to the overuse and misuse of antibiotics, which necessitates immediate collective action across individual, industry, and governmental levels to change prescribing habits and improve public health measures like hygiene and vaccination.

Key Points: AMR is causing 4.71 million associated deaths globally, with 1.27 million attributable deaths, comparing unfavorably to COVID-19 deaths (1.5 million in 2019). Alexander Fleming warned against the overuse and misuse of penicillin in 1945, predicting that exposure to non-lethal quantities would make microbes resistant. Antibiotic resistance is driven by overuse in human medicine (prescribing for viral infections like colds/coughs), use in animal farms (75 times more antibiotics used on animals than humans), and lack of regulatory oversight. Resistant bacteria can share resistance genes with other bacteria, leading to the rapid evolution of 'superbugs'. Solutions require collective action: individuals must complete antibiotic courses and practice better hygiene, while governments must oversee prudent antibiotic use, especially banning prophylactic use in animal feed. Innovations in infectious disease treatment, such as bacteriophages (viruses that kill bacteria), offer potential alternatives to traditional antibiotics.

Context: Dr. Somdatta Karak, Head of Science Communication and Public Outreach at CSIR-CCMB, delivers a TEDx talk at JNTU Hyderabad focusing on the escalating global crisis of Antimicrobial Resistance (AMR). She details how the miracle drug penicillin, discovered by Alexander Fleming, has led to overuse, resulting in bacteria evolving resistance, which now claims millions of lives annually, necessitating a shift in societal behavior and policy.

Detailed Analysis

Dr. Somdatta Karak opens by inviting the audience into the world of bacteria, noting that while many bacteria are beneficial, some cause disease and are among the world's biggest killers. She references Alexander Fleming's 1945 warning about the danger of overusing antibiotics like penicillin, which leads to resistance development. The presentation shows that antibiotics, once hailed as miracle drugs, became household names, aiding procedures and chemotherapy, but overuse has made them ineffective against many strains. She quantifies the crisis using data from GRAM (2019), showing that of 7.75 million bacterial infection deaths, 4.71 million are associated with resistance, and 1.14 million are directly attributable to AMR, which is killing millions globally and silently. Furthermore, AMR is not just a human problem; it spans across humans, animals, and the environment, as resistant bacteria can share DNA with neighbors. The speaker notes that the pharmaceutical industry's interest in developing new antibiotics has waned because the return on investment is low, as they are last-resort drugs. She points out common errors: people stopping antibiotic courses early (like for colds/coughs, which are viral), and the massive use of antibiotics (up to 75 times more than in humans) in animal farms for growth promotion. Solutions require societal change at both individual and systemic levels: practicing hygiene, vaccination, valuing well-being over immediate productivity, responsible prescribing by doctors, and government oversight, including banning colistin in feed additives. She concludes by pointing towards innovations like bacteriophages as potential future therapies.