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New, Fatal Bird Flu Strain Closely Monitored


New, Fatal Bird Flu Strain Closely Monitored
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In the past 10 years, a deadly strain of bird flu has killed more than half of the people who got it. Now there's a new strain of bird flu circulating that can kill about a third of the humans who contract it. Whenever there's a virus this lethal, there are always fears of a pandemic.

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