Moreover, it is not clear whether the benefits of screening outweigh the risks of follow-uptesting and cancer treatments.
此外,该检测的优点是否能超过随后的检测和相关治疗的风险也是不甚清楚。
2
In August, follow-uptesting of paired-serum samples found a fourfold rise in neutralization antibody titer for H5N1, a test result which meets the WHO criteria for laboratory confirmation.