As concern about H1N1 flu virus grows around the world, the Web has proven to be a valuable resource for tracking and learning about the disease, but also a means for misinformation to spread. Here are some sites worth checking…

Apr 27

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The World Health Organization Monday raised its global alert level for the swine flu virus outbreak from a phase three to a phase four, verifying that the virus is spreading from human to human in community-level outbreaks.