A virus can be a member of a family.Logical formLearned from15 sentences. A virus can be contagious.Logical formLearned from15 sentences. A cure can be to a virus.Logical formLearned from15 sentences. A virus may cause shingles.Logical formLearned from15 sentences. A version can be constituted-of-or-filled-with virus.Logical formLearned from15 sentences. A virus can be a percent.Logical formLearned from15 sentences. Surveillance can be for virus.Logical formLearned from15 sentences. A virus may spread between persons.Logical formLearned from15 sentences. A virus may cause warts.Logical formLearned from15 sentences. A (virus protection) may pertain-to persons.Logical formLearned from15 sentences. A virus may jump.Logical formLearned from15 sentences. Parts can be constituted-of-or-filled-with viruses.Logical formLearned from15 sentences. A virus may cause outbreaks.Logical formLearned from15 sentences. Illness may be caused by a virus.Logical formLearned from15 sentences. Persons may be infected with human (immunodeficiency virus).Logical formLearned from15 sentences.