To determine the prevalence of TSV infections in Chinese shrimps and the extent genetic variation among Chinese TSV isolates, we tested 310 samples collected from 31 shrimp farms at 7 different regions for the presence of TSV by RT-PCR.

• 采集漳州、厦门、深圳、阳江、宁波、广州、海口7个地区31个养殖场的对虾共310尾，以RT-PCR技术检测TSV。