Contacts can be infectious.Logical formLearned from5 sentences. Infectious diseases may undergo (transmission dynamics).Logical formLearned from5 sentences. A malady can be infectious.Logical formLearned from5 sentences. Infectious diseases may be transmitted.Logical formLearned from5 sentences. An element can be infectious.Logical formLearned from5 sentences. Vaccinations can be for infectious diseases.Logical formLearned from5 sentences. Songs can be infectious.Logical formLearned from5 sentences. A cover can be infectious.Logical formLearned from5 sentences. A belief can be infectious.Logical formLearned from5 sentences. A refrain can be infectious.Logical formLearned from5 sentences. Enthusiasm can be infectious.Logical formLearned from5 sentences. Hundreds can be constituted-of-or-filled-with infectious agents.Logical formLearned from5 sentences. Infectious agents can be rare.Logical formLearned from5 sentences. An experience can be infectious.Logical formLearned from5 sentences. Rhymings can be infectious.Logical formLearned from5 sentences.