Drug resistance in microorganisms Antibiotics 4 Drug Resistance, Microbial 3 Anti-Infective Agents 2 Government policy 2 Health & Biological Sciences 2 Research 2 Agriculture 1 Anti-Bacterial Agents 1 Anti-infective agents 1 Applied Microbiology 1 Bacterial diseases 1 Biology 1 Drug Resistance 1 Drug legalization 1 Economic aspects 1 Effectiveness 1 Environmental impact 1 Food 1 Genetic aspects 1 Health, medicine, antibiotics, history of antibiotics, Anglo-American food production, post-war agriculture, food production, agriculture, antibiotic use, antibiotic regulation, British food production, antibiotic resistance, twentieth century, US food production, United States, antibiotic infrastructure, animal welfare, antimicrobial resistance, farming, farmers, AMR, agricultural history, environmental history, public health, risk management 1 History 1 Immune System Phenomena 1 Immunity 1 Immunity, Innate 1 Immunology and Microbiology 1 Immunomodulatory effect 1 Life Sciences 1 Medical Microbiology 1 Medical policy 1