Resistance can be to virus.Logical formLearned from12 sentences. A virus may spread among poultry.Logical formLearned from12 sentences. A virus may survive a winter.Logical formLearned from12 sentences. Antibodies can be to a virus.Logical formLearned from12 sentences. A virus may cause encephalitis.Logical formLearned from12 sentences. Viruses can be in humans.Logical formLearned from12 sentences. A virus can be in an area.Logical formLearned from12 sentences. Reports can be constituted-of-or-filled-with virus.Logical formLearned from12 sentences. Mosquitoes may spread virus.Logical formLearned from12 sentences. A (hepatitis c virus) may undergo a discovery.Logical formLearned from12 sentences. Viruses may cause diarrhea.Logical formLearned from12 sentences. Sources can be constituted-of-or-filled-with viruses.Logical formLearned from12 sentences. Virus may cause encephalitis.Logical formLearned from12 sentences. A virus may spread through a continent.Logical formLearned from12 sentences. Humans may be infected by a virus.Logical formLearned from12 sentences.