Five mites from Ag positive mice, 50, 10 mites from Ag negative mice, 10, 5 free mites and 100 mg mouse lung of Ag positive mice were positive by nested RT PCR instead of negative by RT PCR.

• HFRSV抗原阳性鼠体恙螨5只组，HFRSV抗原阴性鼠体恙螨50只和10只组，游离螨10只和5只组，鼠肺HFRSV抗原阳性100mg组均未见有明显扩增带。