A form may trigger a (flu pandemic).Logical formLearned from38 sentences. A total can be constituted-of-or-filled-with some (flu cases).Logical formLearned from37 sentences. A country may find a (bird flu case).Logical formLearned from37 sentences. Some cases can be constituted-of-or-filled-with (bird flu infection).Logical formLearned from37 sentences. Persons may die of (bird flu).Logical formLearned from37 sentences. A country may report an outbreak of (bird flu).Logical formLearned from37 sentences. A (bird flu outbreak) may pertain-to a country.Logical formLearned from37 sentences. A pandemic can be constituted-of-or-filled-with avian flu.Logical formLearned from37 sentences. A person may catch a flu.Logical formLearned from37 sentences. A (flu shot) may pertain-to a male.Logical formLearned from37 sentences. (Bird flu) can be in birds.Logical formLearned from37 sentences. Doses can be constituted-of-or-filled-with (flu vaccine).Logical formLearned from37 sentences. A male may suffer from flu.Logical formLearned from37 sentences. A (bird flu virus) can be virulent.Logical formLearned from37 sentences. A country may report a case of (bird flu).Logical formLearned from37 sentences.