As the flu season rages on, most of us try to practice good hygiene by washing our hands, avoiding close contact with others who are ill, and getting a flu shot.

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Therefore, the best prevention is to practice good hygiene.

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You'll need to practice good oral hygiene for life, however, so your gum problems don't return.

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She said trace contamination with other animals - including pig and horse - could take place at abattoirs and processing plants dealing with more than one species "even with thorough cleaning and good hygiene practice".

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