A country may record cases of (bird flu).Logical formLearned from17 sentences. (H5n1 strain) can be constituted-of-or-filled-with (bird flu).Logical formLearned from17 sentences. A country may suffer some human deaths from (bird flu).Logical formLearned from17 sentences. Some persons may be infected with (bird flu).Logical formLearned from17 sentences. Some chickens may die of (bird flu).Logical formLearned from17 sentences. A country may confirm an outbreak of (bird flu).Logical formLearned from17 sentences. A (bird flu virus) may ravage (poultry stocks).Logical formLearned from17 sentences. Areas may be affected by (bird flu).Logical formLearned from17 sentences. A (bird flu pandemic) may undergo an event.Logical formLearned from17 sentences. A (bird flu death) can be in a country.Logical formLearned from17 sentences. Flu may undergo infections.Logical formLearned from17 sentences. Flu can be in some countries.Logical formLearned from17 sentences. Officials may confirm some cases of flu.Logical formLearned from17 sentences. Authorities may confirm a (bird flu infection).Logical formLearned from17 sentences. Monitoring can be for (bird flu).Logical formLearned from17 sentences.