S. studies have shown that 30 percent of the pig population has antibody evidence of having had H1N1 infection. More specifically, 51 percent of pigs in the north-central U.
在美国，有30%的猪被检测出抗体，表明它们被H1N1感染过，而在美国中北部，这个比例是51%。
2
Monoclonal antibody is produced by immunizing animals with a synthetic S-Tag peptide.
单克隆抗体通过合成S肽免疫动物制备。
3
Method: By S - P immunohistochemistry method, 60 cases were marked by P16 multiclonal antibody.