A parrot may be infected.Logical formLearned from7 sentences. A male may be infected by a (blood transfusion).Logical formLearned from7 sentences. A migratory bird may be infected with a virus.Logical formLearned from7 sentences. Some persons may be infected with a strain.Logical formLearned from7 sentences. A victim may be infected after pick_upping an instrument.Logical formLearned from7 sentences. Some persons may be infected in a world-city.Logical formLearned from7 sentences. A person may infect some persons.Logical formLearned from7 sentences. A (pneumonia outbreak) may infect some persons.Logical formLearned from7 sentences. A (computer worm) may infect some addresses.Logical formLearned from6 sentences. Patients may be infected by an epidemic.Logical formLearned from6 sentences. A patient may be infected with a virus.Logical formLearned from6 sentences. A female may be infected with a strain of avian influenza.Logical formLearned from6 sentences. A woman may be infected by avian influenza.Logical formLearned from6 sentences. A virus may infect (program files).Logical formLearned from6 sentences. Females may be infected.Logical formLearned from6 sentences.