A doctor may be charged with infecting children.Logical formLearned from4 sentences. Relatives may be infected by someone.Logical formLearned from4 sentences. Some nurses may be accused of infecting children.Logical formLearned from4 sentences. Some monkeys may be infected with a virus.Logical formLearned from4 sentences. Some swans may be infected with a virus.Logical formLearned from4 sentences. (Poultry farms) may be infected.Logical formLearned from4 sentences. Swans may be infected with a form of (bird flu).Logical formLearned from4 sentences. A person may be infected with a disease.Logical formLearned from4 sentences. A swan may be infected with a strain of a (bird flu virus).Logical formLearned from4 sentences. Areas may be infected by (bird flu).Logical formLearned from4 sentences. Some geese may be infected with a strain of a virus.Logical formLearned from4 sentences. Some geese may be infected.Logical formLearned from4 sentences. Children may be infected in an outbreak of a virus.Logical formLearned from4 sentences. Some babies may be infected with a virus.Logical formLearned from4 sentences. An epidemic may infect some children.Logical formLearned from4 sentences.