An infectious disease may be caused by a virus.Logical formLearned from16 sentences. Components may pertain-to a virus.Logical formLearned from16 sentences. A virus may be detected in a country.Logical formLearned from16 sentences. Genetic material can be with viruses.Logical formLearned from16 sentences. Virus may be spreaded through humans.Logical formLearned from16 sentences. A spread of a virus may reach proportions.Logical formLearned from16 sentences. Babies may be born with a virus.Logical formLearned from16 sentences. Men may be infected with a virus.Logical formLearned from16 sentences. Viruses may undergo discoveries.Logical formLearned from16 sentences. A check of records may find use of a virus.Logical formLearned from16 sentences. A virus may ravage (poultry stocks).Logical formLearned from16 sentences. A virus may pass.Logical formLearned from16 sentences. Birds may be infected with a virus.Logical formLearned from16 sentences. A behavior may pertain-to a virus.Logical formLearned from16 sentences. Samples may test positive for a virus.Logical formLearned from16 sentences.