Some (flu pandemic) can be in a country.Logical formLearned from29 sentences. A shortage may pertain-to a (flu vaccine).Logical formLearned from29 sentences. Survivors can be constituted-of-or-filled-with some (flu pandemic).Logical formLearned from29 sentences. A (bird flu outbreak) can be fresh.Logical formLearned from29 sentences. A female may have a flu.Logical formLearned from29 sentences. (Flu season) may begin.Logical formLearned from29 sentences. A male may have a flu.Logical formLearned from29 sentences. A female may have (flu symptoms).Logical formLearned from29 sentences. A deadly outbreak can be constituted-of-or-filled-with (bird flu).Logical formLearned from29 sentences. An outbreak may pertain-to an avian flu.Logical formLearned from29 sentences. (Flu shots) can be regular.Logical formLearned from29 sentences. Worries can be about flu.Logical formLearned from29 sentences. A (bird flu case) can be in a country.Logical formLearned from29 sentences. A (h5n1 bird flu strain) can be lethal.Logical formLearned from29 sentences. (Bird flu) may reach a country.Logical formLearned from29 sentences.