The primary risk factor for human infection appears to be direct or indirect exposure to infected live or dead poultry or contaminated environments.

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It is a cell-free filtrate vaccine, which means it contains no dead or live bacteria in the preparation.

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The ministry said the party could not be registered because some of the listed members were under age, or dead, or did not live at the addresses registered.

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The two types of vaccine that have been approved -- a flu shot made from inactivated or dead virus and a nasal spray made from live, weakened virus -- will be available free of charge, though some providers may charge an "administration fee, " Sebelius said.

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"The song describes an imaginary 'street' that you could live on and place all your loved ones, dead and alive, as close or as far away as you like, " says Thornewill.

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