Cases can be constituted-of-or-filled-with flu.Logical formLearned from174 sentences. A strain can be constituted-of-or-filled-with avian flu.Logical formLearned from165 sentences. A strain may pertain-to a flu.Logical formLearned from163 sentences. A (flu shot) may pertain-to a person.Logical formLearned from161 sentences. A bout may pertain-to a flu.Logical formLearned from160 sentences. A man may die of (bird flu).Logical formLearned from159 sentences. A flu can be mild.Logical formLearned from155 sentences. An outbreak may pertain-to a flu.Logical formLearned from153 sentences. A person may have flu.Logical formLearned from148 sentences. Symptoms may pertain-to a flu.Logical formLearned from147 sentences. A (flu season) may pertain-to a year.Logical formLearned from142 sentences. Complications can be from a flu.Logical formLearned from140 sentences. A flu may pertain-to a male.Logical formLearned from137 sentences. A flu can be suspected.Logical formLearned from131 sentences. Some persons may die of (bird flu).Logical formLearned from130 sentences.