强化免疫后的麻疹发病率显著下降的翻译：Marked reduction in measles incidence after immunization 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

After immunization significantly decreased the incidence of measles

Marked reduction in measles incidence after immunization

After strengthened immunity measles disease incidence rate remarkable drop

strengthen the immune after significant decline in the incidence of measles

Marked reduction in measles incidence after immunization