????:1????????:?????????

2???????

3?????????

4????????????

5?????????

??????????????2?18?????? ??????18????????,???????,???????????????????????58????

????,??????????????????????????58???,????13?????????????,???33?5??17??,15???4??????????????????

????????????????,??,?????4???,????58????????????????,????????????????????45????????????,??

????????????????,????????????,???????????????????(MMR??????)?????????,???????

?,???????????????“??30????????????????”?

??,?????8????????

?????????????????????,?????????????????????????,??????????????????????????????????????????,?????????????????(??) ??????????:?????