The top documents tagged [types of flu infections]

H1N1 (Swine Flu) By SierraLynn Johnson. Description of H1N1 H1N1 (Swine Flu) is a respiratory illness found in pigs or an infection cause by a virus.

H1N1 (Swine Flu) By SierraLynn Johnson. Description of H1N1 H1N1 (Swine Flu) is a respiratory illness found in pigs or an infection cause by a virus.

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