The National Academies

The National Academies: What You Need To Know About Infectious Disease

What You Need To Know About Infectious Disease

New infectious diseases are emerging and old ones are appearing in new places around the globe. What’s behind this trend? And to what extent has human behavior amplified the problem? The National Academies, advisers to the nation in science, engineering, and medicine, provide the information you need to understand this complex topic.

Infection

Microbes are all around us. Most don’t do any harm, and many are beneficial, but what about the few that cause infection? Learn the basics.

Threats

Certain aspects of disease are a particular threat to us today. What are some of the things we're most concerned about in the United States?

Challenges

National borders do little to block the path of infectious disease. Learn how our modern way of life contributes to the emergence and spread of diseases.

Prevention

What do we need to do—as individuals and as a society—to stave off the threat of emerging infectious disease?

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What do you know about infectious disease?

“Antibiotic resistance” refers to:

  • 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

Bioterrorism

The deliberate release of a virus, bacterium, or other biological agent to cause illness and death in people, animals, or plants.

View our full glossary

Disease Watchlist

Creutzfeldt-Jakob Disease

Creutzfeldt-Jakob disease, or CJD, is a brain disorder caused by prions, proteins that induce abnormal folding of normal brain proteins. About 85 percent of CJD cases occur sporadically and have unknown origins. 

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