The lymphocyte transformation stimulating index and IL-2 level induced by HB-BCG combined vaccine were significantly higher than those induced by monovalent HB or BCG vaccine(P<0.001).

联合疫苗免疫小鼠淋巴细胞转化刺激指数、IL-2含量均高于单价疫苗，差异有显著意义（P<0·001）。

youdao

We also administered a challenge dose of monovalent type 1 oral poliovirus vaccine at 7 months and collected stool samples before and 7 days after administration of the challenge dose.

同时，在7个月时给予一剂激发剂量的单价1型口服脊髓灰质炎疫苗，并分别采集给服激发剂量7天前、后的大便标本。

youdao

But Carol Pandak says the monovalent vaccine is not enough in areas with both.

VOA: special.2010.01.18

Effective monovalent OPVs were introduced in 2005 and, in 2010, the bivalent polio vaccine (bOPV) was introduced, helping curtail both P1 and P3.

BBC: India's battle to finish off polio