The cells were infected by Legionella virulent strain AA100 of different growth phase and its growth and replication status in monocyte-macrophage cells and neutrophils were compared.

• 用不同生长时期的军团菌毒力株AA100,感染诱导分化成功的单核巨噬细胞和中性粒细胞,并比较其在巨噬细胞和中性粒细胞中的生长复制状况。