An epidemic can be in a nation.Logical formLearned from7 sentences. Epidemics may be eliminated.Logical formLearned from7 sentences. An epidemic may go unrecognized.Logical formLearned from7 sentences. An effect may pertain-to an epidemic.Logical formLearned from7 sentences. An epidemic may undergo a reversal.Logical formLearned from7 sentences. An epidemic can be constituted-of-or-filled-with avian influenza.Logical formLearned from7 sentences. Epidemics may be reported.Logical formLearned from7 sentences. An impact can be on a course of an epidemic.Logical formLearned from7 sentences. Epidemics can be constituted-of-or-filled-with gastroenteritis.Logical formLearned from7 sentences. Epidemics may strike.Logical formLearned from7 sentences. A presidential commission can be on an (immunodeficiency virus epidemic).Logical formLearned from7 sentences. An epidemic can be in (world history).Logical formLearned from7 sentences. An epidemic may be confirmed.Logical formLearned from7 sentences. Epidemics can be sporadic.Logical formLearned from7 sentences. A (cholera epidemic) may claim lives.Logical formLearned from7 sentences.