biology

List of diseases eliminated from the United States

List of diseases eliminated from the United States is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand List of diseases eliminated from the United States rather than just read about it. In short: This is a list of diseases known (or declared) to have been eliminated from the United States, either permanently or at one time. ("Elimination" is the preferred term for "regional eradication" of a disease; the term "eradication" is reserved for the reduction of an infectious disease's global prevalence to zero.) Eliminated diseases can often be re-imported without additional endemic cases.

Key takeaways

List of diseases eliminated from the United States belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect List of diseases eliminated from the United States to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of List of diseases eliminated from the United States from memory before moving on to harder problems.

Reference excerpt

This is a list of diseases known (or declared) to have been eliminated from the United States, either permanently or at one time. ("Elimination" is the preferred term for "regional eradication" of a disease; the term "eradication" is reserved for the reduction of an infectious disease's global prevalence to zero.) Eliminated diseases can often be re-imported without additional endemic cases. Although no fixed rule always applies, many infectious diseases (e.g., measles) are considered eliminated when no cases have been reported to public health authorities for at least 12 months.

The eliminated diseases

Possible future eliminations Various public health projects are going on, with a goal of eliminating diseases from the country. Several infectious diseases in the United States, not on the above list, are considered close to elimination (98–99% reductions): e.g., Hemophilus influenzae, mumps, rubella and congenital rubella. Other disease pathogens (e.g., those of anthrax, rabies and tetanus) have been almost eliminated from humans in the US, but remain as hazards in the environment, so cannot accurately be described as eliminated. The stated goal of "eradication" of hookworm from the southeast US (1915–1920) was not achieved, although the hookworm-infection rate of that region did drop by more than half.

In 1954, Congressional funds were first approved for a Cooperative State-Federal Brucellosis Eradication Program to eliminate the disease from the country. (Brucellosis is a problem mainly in livestock. In 1956, 124,000 affected herds were found by testing in the US. By 1992, the number had dropped to 700 herds and the number of affected, domestic herds has declined to single digits since then.) The CDC Division of Tuberculosis Elimination has a goal of eliminating tuberculosis from the United States by minimizing the likelihood of Mycobacterium tuberculosis transmission, which will prevent the occurrence of new cases. The Oral Rabies Vaccine (ORV) Program has a goal of preventing the spread of raccoon-variant rabies and eventually eliminating it from the United States. An effort has been made for several years to eliminate syphilis from the US. The rate of infection decreased through the 1990s, and in 2000, it was the lowest since reporting began in 1941, leading the US Surgeon General to issue a plan to eliminate the disease from the country. It has been staging a comeback, however, increasing each year since 2001.

References

Worked examples

Example 1 — a first encounter with List of diseases eliminated from the United States

Start with the simplest possible case. Write down what List of diseases eliminated from the United States claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to List of diseases eliminated from the United States before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about List of diseases eliminated from the United States ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of List of diseases eliminated from the United States

In research: List of diseases eliminated from the United States appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses List of diseases eliminated from the United States in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: List of diseases eliminated from the United States is common in secondary-school and first-year university syllabi. It links to neighbouring topics Diseases and disorders in the United States, Eradicated diseases, Health campaigns in the United States, so understanding it makes those chapters shorter.
In everyday life: Look for List of diseases eliminated from the United States outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study List of diseases eliminated from the United States in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what List of diseases eliminated from the United States means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain List of diseases eliminated from the United States out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is List of diseases eliminated from the United States in simple terms?

Why does List of diseases eliminated from the United States matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study List of diseases eliminated from the United States?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on List of diseases eliminated from the United States.