Hospital can be with symptoms of (bird flu).Logical formLearned from13 sentences. A (bird flu virus) can be dangerous.Logical formLearned from13 sentences. Flu may emerge.Logical formLearned from13 sentences. A flu may be contained.Logical formLearned from13 sentences. Outbreaks may pertain-to an avian flu.Logical formLearned from13 sentences. A version can be constituted-of-or-filled-with flu.Logical formLearned from13 sentences. Persons may receive (flu shots).Logical formLearned from13 sentences. A (flu vaccine) may undergo a development.Logical formLearned from13 sentences. A (chicken flu) may pertain-to a world-city.Logical formLearned from13 sentences. A supply of (flu vaccine) may exceed demand.Logical formLearned from13 sentences. (Bird flu outbreaks) can be in a continent.Logical formLearned from13 sentences. Some suppliers can be constituted-of-or-filled-with (flu vaccine).Logical formLearned from13 sentences. (Bird flu) can be in pigs.Logical formLearned from13 sentences. A new type can be constituted-of-or-filled-with flu.Logical formLearned from13 sentences. Supplies may pertain-to a (flu vaccine).Logical formLearned from13 sentences.