An (epidemic warning) can be in a prefecture.Logical formLearned from4 sentences. A (flu epidemic) can be dangerous.Logical formLearned from4 sentences. Preparedness can be for epidemics.Logical formLearned from4 sentences. An outbreak may develop into an epidemic.Logical formLearned from4 sentences. An epidemic may spread across a geographical area.Logical formLearned from4 sentences. Ground can be for an epidemic.Logical formLearned from4 sentences. Fear of a (flu epidemic) may follow clubs.Logical formLearned from4 sentences. Fear may pertain-to a (flu epidemic).Logical formLearned from4 sentences. An increase can be in a risk of an epidemic.Logical formLearned from4 sentences. An alert can be for an epidemic.Logical formLearned from4 sentences. Comparisons can be with an epidemic.Logical formLearned from4 sentences. Ground can be for an epidemic of a kind of flu.Logical formLearned from4 sentences. A (cholera epidemic) may be blamed on water.Logical formLearned from4 sentences. Concerns can be about epidemics.Logical formLearned from4 sentences. An economic collapse may lead to a (cholera epidemic).Logical formLearned from4 sentences.