New research on HIV transmission shows that viral fitness is an important basis of a "genetic bottleneck" imposed every time a new person is infected. The findings define a window of opportunity for drugs or vaccines to prevent ...
Jul 10, 2014
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While herpesviruses infect most animals – including humans – with incurable disease, Cornell researchers have found a genetic trail to thwart its reproductive powers, cutting its infective powers by a factor of up to ...
Sep 5, 2013
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University of Iowa researchers have discovered what causes the lethal effects of staphylococcal infective endocarditis - a serious bacterial infection of heart valves that kills approximately 20,000 Americans each year.
Aug 20, 2013
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Researchers at Virginia Bioinformatics Institute at Virginia Tech have discovered how a common diarrhea-causing bacterium sends the body's natural defenses into overdrive, actually intensifying illness while fighting infection.
Nov 30, 2012
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The causes of chronic fatigue syndrome (CFS) have long eluded scientists. In 2009, a paper in the journal Science linked the syndrome—sometimes called myalgic encephalomyelitis (ME)—to infection with a mouse retrovirus ...
Sep 18, 2012
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(Medical Xpress) -- Scientists studying flu vaccines have identified ways to overcome an obstacle called "original antigenic sin," which can impair immune responses to new flu strains.
Aug 13, 2012
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Chemists at the University of California, San Diego have produced the first high resolution structure of a molecule that when attached to the genetic material of the hepatitis C virus prevents it from reproducing.
Mar 19, 2012
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(Medical Xpress) -- A new weapon has emerged to prevent HIV infection. Called pre-exposure prophylaxis, or PrEP, it is a strategy of providing medications to at-risk people before they are exposed to the virus. Having shown ...
Dec 7, 2011
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Over the past year, researchers at the California Institute of Technology, and around the world, have been studying a group of potent antibodies that have the ability to neutralize HIV in the lab; their hope is that they ...
Nov 30, 2011
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Higher concentrations of the AIDS virus in genital secretions are linked to a greater risk of virus transmission between opposite-sex couples. The effect is independent of blood level of the virus.
Apr 6, 2011
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