An epidemic can be undiagnosed.Logical formLearned from4 sentences. Response can be to a (cholera epidemic).Logical formLearned from4 sentences. Epidemics can be costly.Logical formLearned from4 sentences. An epidemic can be cardiovascular.Logical formLearned from4 sentences. Persons may respond to an epidemic.Logical formLearned from4 sentences. A demography may pertain-to an epidemic.Logical formLearned from4 sentences. An epidemic can be in a society.Logical formLearned from4 sentences. An epidemic may lurk.Logical formLearned from4 sentences. An epidemic may continue a spread.Logical formLearned from4 sentences. Epidemics may undergo an evolution.Logical formLearned from4 sentences. Models may show an epidemic.Logical formLearned from4 sentences. Some epidemics can be in a country.Logical formLearned from4 sentences. Impact can be on an epidemic.Logical formLearned from4 sentences. An era may pertain-to an epidemic.Logical formLearned from4 sentences. Epidemics can be epidemics.Logical formLearned from4 sentences.