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  • Spread Of Diseases Through Sea Travel
    1,868 words
    Almost every person in today's society has been affected by the common cold at one time or another. The symptoms could include a headache or a fever. Usually it yields to the immune system, thus letting the carrier return to the daily routine that is followed. However, imagine a disease so lethal, that every person who comes in contact with it perishes. This is the risk that a majority of the world takes without even knowing it. Whether its through travel, trade, or tourism, humans put themselve...
  • Human Prion Disease
    1,177 words
    Sometimes a scientific discovery shakes the confidence of scientists, making them question whether they truly understand nature's ground rules. That's exactly what prions have done to scientists' understanding of the ground rules. Prions cause diseases, but they aren't viruses or bacteria or fungi or parasites. They are simply proteins, and proteins were never thought to be infectious on their own. Organisms are infectious, proteins are not. Or, at least, they never used to be. Prions entered th...
  • Infectious Diseases
    553 words
    The pharmaceutical industry is developing 256 drugs and vaccines to target infectious diseases ranging from hepatitis to influenza, according to a survey to be released Wednesday by the Pharmaceutical Research and Manufacturers of America. Infectious diseases were responsible for nearly one-third of all worldwide deaths in 1996, the survey said. AIDS is a major contributor to the death toll, but those drugs were considered a separate category and not included in the survey. The industry has 98 d...
  • Most Prominent Infectious Diseases In Developing Countries
    719 words
    Illness and death from infectious diseases are particularly tragic because they are preventable and treatable. Not surprisingly, the poorest and most vulnerable are the most severely affected by infectious disease. Infectious diseases are a major cause of death, disability and social and economic turmoil for millions around the world. Poverty stricken countries lack access to health care. Reports show that in nations with the lowest economic status the causes of death are primarily infectious an...
  • Preventable By Immunisation
    594 words
    We are always hearing on the news and in newspapers about children catching diseases and often dying from them. Why is this happening when all of these diseases are easily preventable by simply being immunised, why arent parents getting their children Immunised, is it for religious beliefs or just carelessness. What ever their reason may be is it really good enough, because why would anyone rather let their child be able to catch and spread a deadly disease then have them Immunised, so Immunisat...
  • Allergy Injections
    1,821 words
    An allergy is an abnormal reaction to ordinarily harmless substance or substances. These sensitizing substances, called allergens, may be inhaled, swallowed or come into contact with the skin. When an allergen is absorbed into the body it triggers white blood cells to produce IgE antibodies. These antibodies attach themselves to mast cells causing release of potent chemical mediators such as histamine, causing typical allergic symptoms. A person who has allergies doesn? t have a poor immune syst...

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