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Bacteria Names Of Bacteria Three Types Of Bacteria 20 Types Of Bacteria Bacteria Shapes Cartoon Bacteria Iron Bacteria Anaerobic Bacteria Bacteria In Colon E Coli Bacteria Skin Bacteria Gram Positive Bacteria Bacteria Classification And Identification Flesh-eating Bacteria Antibiotic Resistant Bacteria Name Of A Good Bacteria Bacteria Growth Structure Of Bacteria Bacteria In Cheese Bacteria Pictures Bacteria Kit
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single cell - microorganisms which have no chlorophyll, multiply by simple division and some of which cause diseases (germs, microbes)
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Updated : Wed, 17 Mar 2010 03:49:11 GMT
HealthDay - (HealthDay News) -- Nasal congestion, often called a stuffy nose, can be caused by a bacterial infection or virus, allergies or the common cold. Publ.Date : Thu, 04 Mar 2010 04:50:21 GMT
HealthDay - TUESDAY, March 16 (HealthDay News) -- The balance between using enough radiation to shield patients from prostate cancer's return while keeping side effects at bay may not be as tricky as once thought, new research shows. Publ.Date : Wed, 17 Mar 2010 03:49:10 GMT
AP - Britons trying to cheer up their hospitalized friends and relatives often have to do so standing up; sitting on the bed usually isn't allowed. Publ.Date : Wed, 17 Mar 2010 00:01:53 GMT
Reuters - Needle-exchange programs designed to cut injection drug users' risk of HIV, the virus that causes AIDS, and other infections do seem to reduce needle sharing, but there is only limited evidence that they lower disease transmission, a new research review concludes.
Publ.Date : Thu, 11 Mar 2010 18:26:24 GMT
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bacteria classification and identification guide |
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Agricultural antibiotic use contributes to 'super-bugs' in humans Doctors have become increasingly concerned by the problem of "super-bugs"-bacteria that have become resistant to standard antibiotics. It is well known that a high rate of antibiotic prescribing in hospitals contributes to the emergence of drug resistant bacteria. But for some antibiotics, an even more important factor contributing to such emergence, argues a team of researchers in the open access international medical journal PLoS Medicine, is the use of antibiotics in agriculture. "Evidence suggests that antibiotic use in agriculture has contributed to antibiotic resistance in the pathogenic bacteria of humans," say David Smith of the Fogarty International Center, Jonathan Dushoff of Princeton University and the Fogarty International Center, and J.Glenn Morris Jr. of the University of Maryland.
Antibiotics and antibiotic resistant bacteria are found in the air and soil around farms, in surface and ground water, in wild animal populations, and on retail meat and poultry. These resistant bacteria are carried into the kitchen on contaminated meat and poultry where other foods are cross-contaminated because of common, unsafe handling practices. Following ingestion, bacteria occasionally survive the formidable but imperfect gastric barrier to colonize the gut-which in turn may transmit the resistant bacteria to humans.
Smith and colleagues say that the transmission of antibiotic resistant bacteria from animal to human populations is difficult to measure, as it is "the product of a very high exposure rate to potentially contaminated food, and a very low probability of transmission
Updated : Wed, 17 Mar 2010 05:39:47 GMT+00:00
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at a given meal." Nevertheless, based on the analysis presented in PLoS Medicine, the authors suggest that "transmission from agriculture can have a greater impact on human populations than hospital transmission."
After first Denmark and then the European Union banned the use of antibiotics for growth promotion, say the authors, the prevalence of resistant bacteria declined in farm animals, retail meat and poultry, and within the human general population. This provides evidence that antibiotic resistant bacteria can move between animals and humans.
The exact effects of agricultural antibiotic use on human health remain uncertain, they say, despite extensive investigation. "But the effects may be unknowable, unprovable, or immeasurable by the empirical standards of experimental biology." Given all of this uncertainty, Smith and colleagues suggest that adopting a "precautionary approach"-such as the European Union ban-would be suitable.
Public Library of Science
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Scientists describe new way to peer inside bacteria X-rays yield pictures and chemical clues that may help trace contaminants, thwart terroristsUPTON, NY - As part of the search for better ways to track and clean up soil contaminants, Read more...
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Pyelonephritis And Urinary Tract Infection Pyelonephritis is a renal disorder affecting tubules, interstitium, and renal pelvis and is one of the most common disease of the kidney. It occurs in two forms. Acute pyleonephritis is caused by Read more...
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