A (death toll) can be from a flu.Logical formLearned from32 sentences. An (avian flu) can be pathogenic.Logical formLearned from32 sentences. Victims can be constituted-of-or-filled-with (bird flu).Logical formLearned from32 sentences. A (flu shot) can be yearly.Logical formLearned from32 sentences. A person may have a (stomach flu).Logical formLearned from32 sentences. A male can be sick with a flu.Logical formLearned from32 sentences. A supply can be constituted-of-or-filled-with (flu vaccine).Logical formLearned from32 sentences. Patients can be with flu.Logical formLearned from32 sentences. Some strains can be constituted-of-or-filled-with (bird flu).Logical formLearned from32 sentences. A flu can be virulent.Logical formLearned from32 sentences. An epidemic can be constituted-of-or-filled-with flu.Logical formLearned from32 sentences. A fight can be against flu.Logical formLearned from32 sentences. A (h5n1 bird flu virus) can be deadly.Logical formLearned from32 sentences. A conference can be on (bird flu).Logical formLearned from32 sentences. Defences can be against (bird flu).Logical formLearned from32 sentences.