Published by AMR Now • October 2026
Antimicrobial resistance (AMR) is often called the silent pandemic of our generation. It occurs when microorganisms—bacteria, viruses, fungi, and parasites—evolve mechanisms that allow them to withstand medicines designed to eliminate them.
What does resistance actually mean?
Antimicrobial medicines are among the foundational triumphs of modern civilization. When penicillin was discovered, infections that previously proved fatal became manageable within days. However, because microbes multiply in astronomical numbers, random genetic mutations occur constantly.
When antimicrobials are used inappropriately or excessively, susceptible bacteria are destroyed, while microbes carrying genetic resistance mechanisms survive and multiply exponentially. It is crucial to remember: people do not become resistant to antibiotics; it is the bacteria themselves that gain resistance.
Why is AMR a critical global threat?
Without effective antimicrobials, routine healthcare is compromised. Surgeries such as caesarean sections, appendectomies, and joint replacements rely heavily on preventative antibiotic coverage. Cancer chemotherapy leaves the immune system vulnerable, requiring effective antimicrobial therapy to prevent life-threatening sepsis.
According to the 2019 Global Burden of Disease study published in The Lancet, bacterial AMR was directly responsible for 1.27 million deaths worldwide and contributed to an additional 4.95 million deaths—exceeding mortality from both HIV/AIDS and malaria.
If we do not act swiftly and collectively, we risk returning to a pre-antibiotic era where a simple scratch or common childhood infection could once again prove fatal.
Action steps you can take today
- Only take antimicrobials when prescribed by a licensed health professional.
- Never share medications with family members or save leftover pills for the future.
- Always complete the full prescribed treatment course, even when symptoms improve early.
- Practice frequent hand washing, food hygiene, and stay up to date on recommended vaccinations to prevent infections before they occur.