An activity may pertain-to a virus.Logical formLearned from12 sentences. A vaccine may be made from a virus.Logical formLearned from12 sentences. (Blood levels) may pertain-to a virus.Logical formLearned from12 sentences. Some strains can be constituted-of-or-filled-with human (papilloma virus).Logical formLearned from12 sentences. Creators can be constituted-of-or-filled-with viruses.Logical formLearned from12 sentences. (Virus definition updates) can be automatic.Logical formLearned from12 sentences. A virus may cause genital warts.Logical formLearned from12 sentences. Copies can be constituted-of-or-filled-with virus.Logical formLearned from12 sentences. Viruses can be murine.Logical formLearned from12 sentences. A virus may be cured.Logical formLearned from12 sentences. A protein can be on a surface of a virus.Logical formLearned from12 sentences. A virus can be high.Logical formLearned from12 sentences. Virus may cause illness.Logical formLearned from12 sentences. Viruses can be difficult.Logical formLearned from12 sentences. Birds may circulate a virus.Logical formLearned from12 sentences.