???9?22??巢??μ???922???????淶?????Ρ???????
922????е???Σ???TFR???
?????????壬????????????Ρ?????淶????
й????????Ρ??????????????????????λμ??????γ??
?
??????????????????Ρ??ɡ??????????CFDA???????飬?С???????????
PCR???Ч??????????????????PCR?
??1?о?Ч?????Ч?????????????
20172￡?????????????2017棩???Χ????з????????θ???????80%?в????
??
