Pigs may be infected with a virus.Logical formLearned from12 sentences. Carrier may pertain-to a virus.Logical formLearned from12 sentences. Virus may kill some villagers.Logical formLearned from12 sentences. A virus may be transmitted through food.Logical formLearned from12 sentences. A patient may be infected with a virus.Logical formLearned from12 sentences. A city may be plagued by a virus.Logical formLearned from12 sentences. A virus may cause hemorrhagings.Logical formLearned from12 sentences. A virus can be notorious.Logical formLearned from12 sentences. A virus can be in some countries.Logical formLearned from12 sentences. A man can be with a virus.Logical formLearned from12 sentences. A mix can be constituted-of-or-filled-with (flu viruses).Logical formLearned from12 sentences. Human virus may cause cervical cancer.Logical formLearned from12 sentences. A virus may occur.Logical formLearned from12 sentences. Some medics may be convicted of infecting hundreds of children.Logical formLearned from12 sentences. A surface may pertain-to viruses.Logical formLearned from12 sentences.