A number of (bird flu cases) may increase after months of absence of cases.Logical formLearned from15 sentences. Death can be from (bird flu).Logical formLearned from15 sentences. A (bird flu) can be pandemic among humans.Logical formLearned from15 sentences. Areas may be hited by (bird flu).Logical formLearned from15 sentences. A human flu can be regular.Logical formLearned from15 sentences. (Bird flu infection cases) can be suspected.Logical formLearned from15 sentences. Symptoms can be similar to a flu.Logical formLearned from15 sentences. A flu may start.Logical formLearned from15 sentences. A cradle can be for strains of flu.Logical formLearned from15 sentences. A person may come_down with flu.Logical formLearned from15 sentences. Strains may pertain-to a flu.Logical formLearned from15 sentences. A (flu season) may pertain-to persons.Logical formLearned from15 sentences. A flu may suck.Logical formLearned from15 sentences. A flu can be worse.Logical formLearned from15 sentences. Fears can be constituted-of-or-filled-with avian flu.Logical formLearned from15 sentences.