SEROTYPE-1 REASSORTANT OF BOVINE ROTAVIRUS WC3, STRAIN WI79-9, INDUCES A POLYTYPIC ANTIBODY-RESPONSE IN INFANTS

被引:25
作者
CLARK, HF [1 ]
BORIAN, FE [1 ]
MODESTO, K [1 ]
PLOTKIN, SA [1 ]
机构
[1] CHILDRENS HOSP PHILADELPHIA, DIV INFECT DIS, PHILADELPHIA, PA 19104 USA
关键词
reassortant; Rotavirus; vaccine; WI79-9;
D O I
10.1016/0264-410X(90)90089-5
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
A reassortant rotavirus, strain W179-9, was constructed bearing gene 9 of serotype 1 rotavirus strain W179 and all other genes derived from bovine (serotype 6) rotavirus strain WC3. The antigenic phenotype of W179-9 is bivalent: serotype 1 and serotype 6. W179-9 administered orally at a dose of 107.5 p.f.u. induced no adverse effects in 48 infants of age 2-11 months. Serotype 1- and serotype 6-specific serum neutralizing antibody titres were induced with approximately equal frequency in these infants. Serotype 1-specific antibody responses were inhibited in infants previously seropositive to type 1. The immune response rate was enhanced by administration of a second, 'booster dose'. © 1990.
引用
收藏
页码:327 / 332
页数:6
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