A country may confirm cases of flu.Logical formLearned from23 sentences. (Bird flu deaths) may pertain-to a country.Logical formLearned from23 sentences. A male may suffer from (stomach flu).Logical formLearned from23 sentences. A country may confirm (bird flu).Logical formLearned from23 sentences. (Flu shots) may pertain-to today.Logical formLearned from23 sentences. Symptoms can be similar to flu.Logical formLearned from23 sentences. Vaccines can be against flu.Logical formLearned from23 sentences. A country may report a (bird flu death).Logical formLearned from23 sentences. A farmer may die of (bird flu).Logical formLearned from23 sentences. A strain of (bird flu) may kill some persons.Logical formLearned from23 sentences. (Bird flu situation) can be in a country.Logical formLearned from23 sentences. A flu can be serious.Logical formLearned from22 sentences. A flu can be fatal.Logical formLearned from22 sentences. (Flu vaccines) may undergo a production.Logical formLearned from22 sentences. A peak may pertain-to a (flu season).Logical formLearned from22 sentences.