A male may download a virus.Logical formLearned from83 sentences. Deaths can be from a virus.Logical formLearned from83 sentences. A test can be for a virus.Logical formLearned from83 sentences. A virus may implant an (intelligence network).Logical formLearned from82 sentences. Viruses can be mutant.Logical formLearned from82 sentences. Strains can be constituted-of-or-filled-with viruses.Logical formLearned from82 sentences. A male may carry a virus.Logical formLearned from82 sentences. Viruses can be biological.Logical formLearned from81 sentences. A prevalence may pertain-to a virus.Logical formLearned from81 sentences. A person may have a (stomach virus).Logical formLearned from81 sentences. A genome may pertain-to a virus.Logical formLearned from80 sentences. Viruses can be modified.Logical formLearned from80 sentences. A virus may be isolated.Logical formLearned from79 sentences. A virus may be released.Logical formLearned from79 sentences. A virus may evolve.Logical formLearned from79 sentences.