January 29

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In the wake of a Ministry of Health announcement of two fatalities among the three confirmed human cases of avian flu in the new year, authorities this weekend increased efforts to eradicate affected birds, even as some officials reported a fourth case. Bird flu experts on Wednesday ended a voluntary halt on research into how to make the deadly H5N1 avian influenza capable of spreading to mammals, and perhaps rapidly to people. Experiments with a deadly flu virus, suspended last year after a fierce global debate over safety, will start up again in some laboratories, probably within the next few weeks, scientists say. One year after public uproar forced them to pause, researchers who study H5N1 avian influenza by designing new, extra-virulent strains are set to resume their work. Controversial experiments on bird flu could resume within weeks because leading influenza researchers around the world have finally called a halt to an unusual moratorium that has lasted more than a year.