Staffers may be infected.Logical formLearned from5 sentences. Active adults may be infected.Logical formLearned from5 sentences. Persons may be infected by an illness.Logical formLearned from5 sentences. Someone may be infected with a disease.Logical formLearned from5 sentences. A man may be infected at a hospital.Logical formLearned from5 sentences. Some students may be infected by relatives.Logical formLearned from5 sentences. A person may infect workers.Logical formLearned from5 sentences. Some other persons may be infected by a disease.Logical formLearned from5 sentences. A virus may infect some percent of a population.Logical formLearned from5 sentences. Mosquitoes may infect others.Logical formLearned from5 sentences. An epidemic may infect farms.Logical formLearned from5 sentences. Some other persons may be infected with a disease.Logical formLearned from5 sentences. Some persons may be infected with (inhalation anthrax).Logical formLearned from5 sentences. A woman may be infected with a case of anthrax.Logical formLearned from5 sentences. Some percent of persons may be infected with a virus.Logical formLearned from5 sentences.