Viruses may undergo a proliferation.Logical formLearned from33 sentences. A virus may devastate (poultry stocks).Logical formLearned from33 sentences. A virus can be tropical.Logical formLearned from33 sentences. A woman may die of a virus.Logical formLearned from33 sentences. Contact may result in a virus.Logical formLearned from33 sentences. A virus can be of a strain.Logical formLearned from33 sentences. A virus may cross with (flu strains).Logical formLearned from33 sentences. Viruses may swap genes.Logical formLearned from33 sentences. A virus may be identified in a country.Logical formLearned from32 sentences. A sequence may pertain-to a virus.Logical formLearned from32 sentences. Fears can be about a virus.Logical formLearned from32 sentences. Strains may pertain-to a human (papilloma virus).Logical formLearned from32 sentences. Viruses can be incoming.Logical formLearned from32 sentences. A virus may undergo a multiplication.Logical formLearned from32 sentences. A virus may spark a pandemic.Logical formLearned from32 sentences.