Gayatri Patil*
When microorganisms like bacteria, fungi, viruses, and parasites develop the ability to resist drugs that once killed them. This makes infections harder to treat and increases the risk of disease spread, severe illness, and death. The main cause of AMR is the misuse and overuse of antibiotics in humans, animals, and agriculture. Poor hygiene, lack of new medicines, and weak infection control also worsen the problem. AMR is often called the “Silent Pandemic” and is a major global health threat. It is estimated to cause 1.2 million deaths each year, which could rise to 10 million by 2050 if not controlled. To fight AMR, organizations like WHO, FAO, and OIE promote the “One Health Approach”, encouraging cooperation between human, animal, and environmental health sectors. WHO also started programs like GAP-AMR and GLASS to monitor and manage resistance. Increasing public awareness, rational antibiotic use, and strong infection control are key to preventing AMR and protecting global health.
Global Epidemiological Trends:
Rising Global Burden:
AMR causes millions of infections and over 1.3 million deaths annually worldwide.
Regional Variations:
Low- and Middle-Income Countries (LMICs): Highest AMR rates due to misuse of antibiotics, poor sanitation, and lack of regulation.
High-Income Countries: Better surveillance and stewardship, but rising resistance in hospital settings.
Key Resistant Pathogens (WHO Priority List):
E. coli, Klebsiella pneumoniae – resistant to third-generation cephalosporin and carbapenems.
Staphylococcus aureus (MRSA) – methicillin-resistant.
Pseudomonas aeruginosa, Acinetobacter baumannii – multidrug-resistant.
Neisseria gonorrhoeae, Salmonella, Mycobacterium tuberculosis – emerging resistance.
Drivers of Resistance:
Overuse in humans, livestock, and agriculture. Poor infection control and sanitation. Global travel and trade accelerating spread.
Surveillance Insights:
Systems like WHO GLASS, ECDC EARS-Net, and CDC NARMS show increasing trends of resistance to carbapenems and fluoroquinolones globally.
Emerging Concerns:
Resistance genes (e.g., NDM-1, mcr-1) spreading between species. Environmental contamination with antibiotic residues.
Global Action:
Focus on One Health approach, antimicrobial stewardship, rapid diagnostics, and global data sharing to control AMR trends. [1]
10.5281/zenodo.19402327