Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
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Avian Flu
What is avian influenza? Can bird flu viruses infect humans? How is bird flu treated in humans? What is being done to prepare for a possible flu pandemic? If you have these or other questions about the avian flu, come listen to the experts.
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