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新生儿由于免疫防御机制发育差、生理功能和解剖结构不够成熟;由子宫内来到人世间环境的骤变;母体对婴儿的种种影响使新生儿易致感染,且临
Neonatal immune system due to poor immune development, physiological function and anatomy is not mature enough; come from the uterus to the world environment changes; maternal impact on infants so that neonatal infections, and