A (virus outbreak) can be in a country.Logical formLearned from40 sentences. Deaths can be from a virus.Logical formLearned from40 sentences. (Blood products) may be tainted with a virus.Logical formLearned from40 sentences. A man may die from a virus.Logical formLearned from40 sentences. A (computer virus) can be a program.Logical formLearned from39 sentences. Viruses can be sub-microscopic.Logical formLearned from39 sentences. Viruses can be airborne.Logical formLearned from39 sentences. Information can be on viruses.Logical formLearned from39 sentences. A mutant virus can be man-made.Logical formLearned from39 sentences. A dose may pertain-to a virus.Logical formLearned from39 sentences. A portion may pertain-to a virus.Logical formLearned from39 sentences. A virus may cause illness.Logical formLearned from39 sentences. Viruses may emerge.Logical formLearned from39 sentences. Viruses may cause diseases.Logical formLearned from39 sentences. Human (immunodeficiency virus) may undergo a transmission.Logical formLearned from39 sentences.