No abstract available
MeSH terms
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Adolescent
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Adult
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Case-Control Studies
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Child
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Child, Preschool
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Disease Outbreaks / prevention & control*
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Epidemiological Monitoring*
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Female
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Food Microbiology / trends*
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Frozen Foods / virology*
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Fruit / virology*
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Hepatitis A / diagnosis
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Hepatitis A / epidemiology*
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Hepatitis A / virology
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Humans
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Italy / epidemiology
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Male
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Middle Aged
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Retrospective Studies
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Young Adult