What You Need To Know About Infectious Disease
How Infection Works
Encountering Microbes
Microbes have inhabited the earth for billions of years and may be the earliest life forms on the planet. They live in every conceivable ecological niche—soil, water, air, plants, rocks, and animals. They even live in extreme environments such as hot springs, deep ocean thermal vents, and Antarctic ice. Indeed microbes, by sheer mass, are the earth’s most abundant life form and are highly adaptable to external forces. How does our modern lifestyle bring us into greater contact with infectious agents—the “bad” microbes? And when we encounter them, how do they get into our bodies?
Explore Other Topics
What do you know about infectious disease?
“Antibiotic resistance” refers to:
- The reluctance of physicians to prescribe antibiotics
- An underground movement against pharmaceutical companies
- The ability of bacteria to resist the effects of an antibiotic
-
Sorry, that’s incorrect.
“Antibiotic resistance” refers to the ability of bacteria to resist the effects of an antibiotic. Antibiotic resistance occurs when bacteria undergo a genetic change that reduces or eliminates the effectiveness of drugs or other agents designed to cure or prevent infection.
-
Sorry, that’s incorrect.
“Antibiotic resistance” refers to the ability of bacteria to resist the effects of an antibiotic. Antibiotic resistance occurs when bacteria undergo a genetic change that reduces or eliminates the effectiveness of drugs or other agents designed to cure or prevent infection.
-
Correct!
“Antibiotic resistance” refers to the ability of bacteria to resist the effects of an antibiotic. Antibiotic resistance occurs when bacteria undergo a genetic change that reduces or eliminates the effectiveness of drugs or other agents designed to cure or prevent infection.
Infectious Disease Defined
- Centers for Disease Control and Prevention (CDC)
A federal agency under the U.S. Department of Health and Human Services that works with partners across the United States to ensure public health—through health promotion; prevention of disease, injury, and disability; and preparedness for new health threats.
National Academies
Search the National Academies Press website by selecting one of these related terms.
Source Material
- Infectious Disease Movement in a Borderless World—Workshop Summary (2010)
- Microbial Evolution and Co-Adaptation: A Tribute to the Life and Scientific Legacies of Joshua Lederberg (2009)
- Global Infectious Disease Surveillance and Detection: Assessing the Challenges, Finding Solutions—Workshop Summary (2007)
- The New Science of Metagenomics: Revealing the Secrets of Our Microbial Planet (2007)
- The Impact of Globalization on Infectious Disease Emergence and Control: Exploring the Consequences and Opportunities—Workshop Summary (2006)
- Ending the War Metaphor: The Changing Agenda for Unraveling the Host-Microbe Relationship—Workshop Summary (2006)
