
Staphylococcus aureus is a Gram-positive coccal bacterium that is a member of the Firmicutes, and is frequently found in the human respiratory tract and on the skin. It is positive for catalase and nitrate reduction. Although S. aureus is not always pathogenic, it is a common cause of skin infections (e.g. boils), respiratory disease (e.g. sinusit...
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http://en.wikipedia.org/wiki/Staphylococcus_aureus

a bacteria
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http://orthopaedics.org.uk/service/glossary/

(from the article `Health and Disease`) A study led by R. Monina Klevens of the Centers for Disease Control and Prevention (CDC) and published in October in the Journal of the American ... ...by direct action), depending on its concentration and the type of microorganism against which it is used. Among the disease-causing agents ... ...
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http://www.britannica.com/eb/a-z/s/153

Potentially pathogenic bacteria found in nasal membranes, skin, hair follicles, and perineum of warm-blooded animals. They may cause a wide range of infections and intoxications. ... (12 Dec 1998) ...
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http://www.encyclo.co.uk/local/20973

A spherical bacterium, frequently living on the skin or in the nose of a person, and the most common
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http://www.encyclo.co.uk/local/22412

Type: Term Definitions: 1. a common species found especially on nasal mucous membrane and skin (hair follicles); bacterial species that produces exotoxins including those that cause toxic shock syndrome, with resulting skin rash, and renal, hepatic, and central nervous system disease, and an enterotoxin associated with food poisoning; it causes fur...
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http://www.medilexicon.com/medicaldictionary.php?t=84604
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