A flu can be asian.Logical formLearned from34 sentences. Avian flu may undergo a transmission.Logical formLearned from34 sentences. Strains may pertain-to a flu.Logical formLearned from34 sentences. Cases may pertain-to a (bird flu virus).Logical formLearned from34 sentences. A subtype can be constituted-of-or-filled-with (bird flu).Logical formLearned from34 sentences. A country can be free of (bird flu).Logical formLearned from34 sentences. Bouts can be constituted-of-or-filled-with flu.Logical formLearned from34 sentences. A death may be linked to flu.Logical formLearned from34 sentences. Deaths can be from a flu.Logical formLearned from34 sentences. A (bird flu outbreak) may pertain-to a continent.Logical formLearned from34 sentences. A (bird flu virus) can be a strain.Logical formLearned from34 sentences. Concerns can be over (bird flu).Logical formLearned from34 sentences. Some deaths can be from (bird flu).Logical formLearned from34 sentences. A touch can be constituted-of-or-filled-with flu.Logical formLearned from34 sentences. A country may confirm a case of (bird flu).Logical formLearned from34 sentences.