Exposure to a (hepatitis b virus) may increase a risk of pancreatic cancer.Logical formLearned from11 sentences. (Virus season) can be on track.Logical formLearned from11 sentences. Persons may see a virus.Logical formLearned from11 sentences. A person may have some kind of virus.Logical formLearned from11 sentences. Viruses may change to a form.Logical formLearned from11 sentences. A (virus protein) may be shared by some viruses.Logical formLearned from11 sentences. Viruses can be present.Logical formLearned from11 sentences. A person may check for viruses.Logical formLearned from11 sentences. A virus may be activated.Logical formLearned from11 sentences. A male may play a role of a virus.Logical formLearned from11 sentences. A virus may exact a toll.Logical formLearned from11 sentences. A virus may scan service.Logical formLearned from11 sentences. A virus can be stable.Logical formLearned from11 sentences. Immunity can be to a cold virus.Logical formLearned from11 sentences. Viruses may proliferate.Logical formLearned from11 sentences.