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Although the word meningitis suggests an inflammation of the meninges only, there is always some involvement of the most superficial parts of the brain that are contiguous to the meninges. Often there are also alterations in the flow of cerebrospinal fluid (CSF).
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An infection is a condition in which viruses, bacteria, fungi, or parasites enter the body and cause a state of disease. Such invaders are called pathogens. They damage cells of the body by adhering to and damaging the cell walls, releasing toxic ...
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The best way to stay healthy during travel is to prepare before you leave and take appropriate preventive measures while traveling. Different areas of the world have different diseases and require different precautions. Factors that contribute to ...
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Infection is the invasion and replication of microorganisms— viruses , bacteria , protozoa, or fungi —in body tissues.
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The tropics are usually defined as that part of the equatorial world bounded by the tropics of Cancer and Capricorn. Defining a tropical infectious disease is not as straightforward. Almost all infectious diseases can be found in the tropics; ther...
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The term "emerging infection," first widely used in the early 1990s, refers to newly identified and previously unknown infectious agents that cause public health problems either locally or internationally. Their impact, in terms of economic reperc...
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A communicable disease is an illness caused by a specific infectious agent or its toxic products. It arises through transmission of that agent or its products from an infected person, animal, or inanimate reservoir to a susceptible host, either di...
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The phrase "filth diseases" was coined in 1858 by British physician Charles Murchison to describe a class of conditions, mostly caused by infectious pathogens, that were associated with squalid living conditions—the overcrowded, unsanitary, and ve...
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Heart failure, also called congestive heart failure, is a condition in which the heart can no longer pump enough blood to the rest of the body.
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