A zoo may be infected with a virus.Logical formLearned from6 sentences. Bacteria may infect a fluid.Logical formLearned from6 sentences. (Crude prices) may be infected by a (gasoline market).Logical formLearned from6 sentences. Hospitals may be infected with sars.Logical formLearned from6 sentences. Beef may be infected with an equivalent of a disease.Logical formLearned from6 sentences. (Chicken meat) may be infected with salmonella.Logical formLearned from6 sentences. Persons may be infected through (blood transfusions).Logical formLearned from6 sentences. Some persons may be infected by bacteria.Logical formLearned from6 sentences. Sheep may be infected with a (disease scrapie).Logical formLearned from6 sentences. Children may be infected by mothers.Logical formLearned from6 sentences. Cases may be infected.Logical formLearned from5 sentences. A female may be infected with a flu.Logical formLearned from5 sentences. A male may be infected with a (flu virus).Logical formLearned from5 sentences. Persons may be infected with a (flu virus).Logical formLearned from5 sentences. Persons may be infected with a (h1n1 virus).Logical formLearned from5 sentences.