英语语法分析

The rate of reported viscerotropic disease varies in different settings.

报道的嗜内脏型疾病的发生率因不同地点而异。

All cases of viscerotropic disease to date have been reported in primary vaccinees, starting 2–5 days after vaccination.

迄今为止所有的嗜内脏型病例都发生于初次接种者，在接种后2-5天内发病。