Random mutations and gene exchange provide the raw material; repeated antibiotic exposure determines which bacteria survive and spread.
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The deeper explanation
The answer in detail
Random mutations or acquired genes can let some bacteria survive a medicine. Those survivors reproduce and can share resistance with other bacteria.
Why it matters
Routine surgery, cancer treatment, childbirth and common infections all become more dangerous when antibiotics no longer work.
Evolution meets modern networks
Crowded hospitals, international travel, food production and wastewater give successful resistant strains routes between hosts and countries.
The speed of spread depends on infection control and diagnosis, not just on the biological mutation itself.
System lens
What makes this more complicated?
Three layers that help explain what changes the outcome.
Starting conditions
History, resources and institutional capacity set the starting position before the visible outcome appears.
Limits and trade-offs
Rules, capacity and competing priorities limit which responses are practical, even when several options look possible.
Choices and distribution
The outcome depends on who can change those conditions and how its consequences are shared.
Why are antibiotics slowly stopping working?
Shared background, people, references and other questions for this story collection.
Read the main storyMeet the players
Antibiotic resistance is a growing global health concern.
organization
World Health Organization
Global health authority
Wants toto combat antibiotic resistance through guidelines and policies.
LeverageInfluences global health policies and practices regarding antibiotic use.
Read profile: World Health Organization
The World Health Organization (WHO) addresses antibiotic resistance by providing guidance on best practices for antibiotic use and promoting global awareness. Their initiatives aim to reduce the spread of resistant bacteria and improve health outcomes worldwide.
organization
Centers for Disease Control and Prevention
Public health protection
Wants toto prevent and control antibiotic resistance in the United States.
LeverageShapes national health policies and practices related to antibiotic stewardship.
Read profile: Centers for Disease Control and Prevention
The CDC monitors antibiotic resistance patterns and implements strategies to reduce its impact. They provide resources for healthcare providers and the public to promote responsible antibiotic use and enhance infection control measures.
company
Pfizer Inc.
Develop new antibiotics
Wants toto research and develop new antibiotics to combat resistant bacteria.
LeverageControls the development and availability of new antibiotic treatments.
Read profile: Pfizer Inc.
Pfizer Inc. is involved in the development of new antibiotics. However, scientific challenges and limited market incentives make it difficult for them to prioritize antibiotic research over more profitable medications.
group
National Farmers Union
Use antibiotics in livestock
Wants toto maintain livestock health and productivity.
LeverageInfluences the prevalence of antibiotic-resistant bacteria through farming practices.
Read profile: National Farmers Union
The National Farmers Union represents farmers who often use antibiotics to prevent disease in livestock, which can lead to the selection of resistant bacteria. Their practices directly impact the spread of antibiotic resistance to humans through food and environmental exposure.
organization
American Medical Association
Prescribe antibiotics
Wants toto promote effective treatment of infections while minimizing resistance.
LeverageDirectly influences patient outcomes and the spread of resistance through prescribing practices.
Read profile: American Medical Association
The American Medical Association (AMA) advocates for responsible antibiotic prescribing practices among healthcare providers. Their guidelines significantly affect the development of antibiotic resistance, emphasizing the importance of proper stewardship to preserve the effectiveness of existing antibiotics.
Sources & visual credits
Flags and logos identify the actors; they do not imply endorsement.
Story collection
6 questions to explore
Open a question to read its explainer and follow the linked questions in this collection.
- 01Why are antibiotics slowly stopping working?Featured
- 02You are hereOpen now
- 03Why does using antibiotics when they are not needed cause harm?
- 04How does antibiotic use in farming affect human health?
- 05Why is developing a new antibiotic so difficult?
- 06What can hospitals, governments and patients do to slow resistance?
A quick glossary for this collection.
AntibioticA medicine used to treat bacterial infections.
ResistanceThe ability of a microbe to survive a medicine designed to stop it.
StewardshipUsing antimicrobial medicines only when and how they are needed.
SuperbugAn informal term for a microbe resistant to several treatments.
Susceptibility testA laboratory test showing which medicines can stop a microbe.
Risk factorA characteristic or exposure associated with a higher chance of an outcome.
Sources for the whole story
How we work ↗Sources to start with
These references support the story collection as a whole.
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