Virus may be transmitted.Logical formLearned from33 sentences. (Virus particles) can be infectious.Logical formLearned from33 sentences. A virus may undergo a variation.Logical formLearned from33 sentences. Problems can be with viruses.Logical formLearned from33 sentences. A genome may pertain-to a virus.Logical formLearned from33 sentences. Research can be on a virus.Logical formLearned from33 sentences. A (virus scanner) can be online.Logical formLearned from33 sentences. A virus can be widespread.Logical formLearned from33 sentences. A surface may pertain-to a virus.Logical formLearned from33 sentences. (Computer viruses) can be known.Logical formLearned from33 sentences. A virus can be chronic.Logical formLearned from33 sentences. Mothers may be infected with a virus.Logical formLearned from33 sentences. Cells may be infected with a virus.Logical formLearned from33 sentences. Viruses may undergo a discovery.Logical formLearned from33 sentences. Knowledge can be about a virus.Logical formLearned from33 sentences.