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US researchers develop new tool in HIV vaccine fight
US researchers have developed a new test to identify antibodies capable of fighting most strains of HIV, the virus that causes AIDS, in a breakthrough that could accelerate the hunt for a vaccine. ... more
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Flu infections rising among Chinese pigs: study
Scientists said Wednesday that flu infections were rising among pigs raised for slaughter on farms in south and southeastern China, also plagued by bird flu. ... more
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Dengue epidemic hits Angola for first time
An epidemic of dengue fever has broken out in oil-rich Angola for the first time, the World Health Organisation (WHO) said Wednesday. ... more
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China reports four more deaths, 129 bird flu cases
The death toll from the H7N9 bird flu outbreak in China has risen to 31, according to official figures, with four more people dying of the virus in China's eastern provinces. ... more
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