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

The National Academies

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 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

Infectious disease isn’t limited by national borders. Learn how our modern way of life contributes to the spread and emergence of disease.

Prevention

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

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Infectious Disease Videos

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What You Need to Know About Infectious Disease

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What do you know about infectious disease?

Since the beginning of the 20th century, the number of people in the world has: 

  • Sorry, that’s incorrect.

    Since the beginning of the 20th century the number of people in the world has more than quadrupled—from 1.6 billion to nearly 7 billion—and world population is expected to rise to well over 9 billion by 2050.

  • Sorry, that’s incorrect.

    Since the beginning of the 20th century the number of people in the world has more than quadrupled—from 1.6 billion to nearly 7 billion—and world population is expected to rise to well over 9 billion by 2050.

  • Correct!

    Since the beginning of the 20th century the number of people in the world has more than quadrupled—from 1.6 billion to nearly 7 billion—and world population is expected to rise to well over 9 billion by 2050.

Infectious Disease Defined

Ecosystem

A functional unit that consists of all the living organisms in a particular area, including the nonliving, physical components in the environment with which the organisms interact, such as air, soil, water, and sunlight.

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Disease Watchlist

West Nile Virus

West Nile virus (WNV) is a flavivirus commonly found in Africa, West Asia, and the Middle East. The most severe type of disease is sometimes called “neuroinvasive disease” because it affects a person’s nervous system.

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