The antibodies in question were found by screening blood serum from 1, 800 volunteers from these countries.

这些抗体因对以上国家的1800名志愿者进行血浆筛查而被发现。

youdao

The antibodies in question were found by screening blood serum from 1,800 volunteers from these countries.

这些抗体因对以上国家的1800名志愿者进行血浆筛查而被发现。

youdao

A preliminary blood screening could reduce some of the demand, experts said - if the test proves valid in larger studies and receives federal approval.

有关专家认为，如果血液检测在大量研究中证实有效并获联邦通过，初步血液检测筛查可减少这些结肠镜检的需要。

youdao

HIV-contaminated blood between the outbreak of the virus in 1981 and the introduction of obligatory screening of blood donors in 1985 were not allowed representation as civil parties in court, as they would have been in normal criminal proceedings.

ECONOMIST: France