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An Inside Look at the Flu: Beating the Flu Virus
It took one week for Holly to beat the flu. Her body has produced T-memory cells that will keep her from getting this identical virus again. If the virus mutates, the T-memory cells will not protect her.
http://videos.howstuffworks.com/hsw/24368-an-inside-look-at-the-flu-beating-the-flu-virus-video.htm
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An Inside Look at the Flu: Transmission of a Virus
This video follows a transmission of influenza B virus from the time Holly picks it up in an elevator until it enters a cell in her throat.
http://videos.howstuffworks.com/hsw/24365-an-inside-look-at-the-flu-transmission-of-a-virus-video.htm
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An Inside Look at the Flu: The Influenza B Invasion
Seven hours after breathing in the flu, the virus continues its attack and invasion of Holly's body.
http://videos.howstuffworks.com/hsw/24366-an-inside-look-at-the-flu-the-influenza-b-invasion-video.htm
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