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Researchers find HIV's 'invisibility cloak'
Scientists said Wednesday they had found an "invisibility cloak" that allows the AIDS virus to lurk unnoticed in human cells after infection and replicate without triggering the immune system. ... more
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Breakthrough in hunt for HIV vaccine
US scientists seeking to unravel the mysteries of HIV have made an important breakthrough after capturing the clearest image yet of a protein which allows the deadly virus to attack human immune cells, new research showed Tuesday. ... more
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Astronauts in microgravity face risk of accelerated biological aging
Microgravity experienced by astronauts in space accelerates biological aging and cardiovascular disease by affecting blood vessel cells, a U.S. journal reports. ... more
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Poultry market closures do well to halt bird flu: study
Closing live poultry markets, though a huge economic setback, is a sure-fire way of curbing the deadly H7N9 bird flu in case of an outbreak, disease control researchers said Thursday. ... more
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