答:医院感染(nosocomial infection)即医院获得性感染(hospital-acquired infection)是指病人在入院时既不存在、又不处于潜伏期,而是在住院过程中获得的感染,也包括在医院获得感染出院后才出现症状者。一般来说,新生儿入院48h以后发生的感染就要考虑为医院感染;对于有明确潜伏 A: nosocomial infection - a hospital-acquired infection - is a condition in which a patient is neither hospitalized nor in the incubation period but is infected during hospitalization and is hospital-acquired. Symptoms after discharge from the hospital. In general, newborns admitted to hospital after 48h infection should be considered for hospital infection; for a clear latency