A disease may be infected.Logical formLearned from12 sentences. A strain may infect students.Logical formLearned from12 sentences. A group may be infected.Logical formLearned from12 sentences. Persons may be infected with a strain.Logical formLearned from12 sentences. Children may be infected by conditions.Logical formLearned from12 sentences. Animals may be infected with a virus.Logical formLearned from12 sentences. (Bird flu) may infect chickens.Logical formLearned from12 sentences. Millions may be infected.Logical formLearned from12 sentences. Others may be infected with a virus.Logical formLearned from12 sentences. Thousands may be infected.Logical formLearned from12 sentences. Pigs may be infected with a virus.Logical formLearned from12 sentences. A patient may be infected with a virus.Logical formLearned from12 sentences. An outbreak may infect some persons.Logical formLearned from12 sentences. A total may be infected.Logical formLearned from12 sentences. Some medics may be convicted of infecting hundreds of children.Logical formLearned from12 sentences.