A virus may undergo a shedding.Logical formLearned from14 sentences. A virus can be harmful.Logical formLearned from14 sentences. Virus can be in a continent.Logical formLearned from14 sentences. A difference can be between a virus.Logical formLearned from14 sentences. A virus can be unusual.Logical formLearned from14 sentences. Activity can be against viruses.Logical formLearned from14 sentences. A flu can be a virus.Logical formLearned from14 sentences. An effect can be on viruses.Logical formLearned from14 sentences. A worm can be a virus.Logical formLearned from14 sentences. A feature may pertain-to a virus.Logical formLearned from14 sentences. A (liver disease) may be caused by a virus.Logical formLearned from14 sentences. A replication may pertain-to a virus.Logical formLearned from14 sentences. A virus can be over.Logical formLearned from14 sentences. A virus may explode from a (377-person unit).Logical formLearned from14 sentences. A male may have virus.Logical formLearned from14 sentences.