Lagos R, Avendaño A, Prado V, Horwitz I, Wasserman S, Losonsky G, Cryz S, Kaper J B, Levine M M
Centro para Vacunas en Desarrollo-Chile.
Infect Immun. 1995 Feb;63(2):707-9. doi: 10.1128/iai.63.2.707-709.1995.
Persons of blood group O are at increased risk of developing cholera gravis. In a randomized, placebo-controlled, double-blind safety-immunogenicity trial of live oral cholera vaccine CVD 103-HgR in 5- to 9-year-old Chilean children, vibriocidal antibody seroconversion (74% overall) did not differ by blood group. However, the reciprocal geometric mean titer (GMT) in blood group O vaccines (GMT = 486) was higher than that in non-O vaccines (GMT = 179) (P < 0.02).
O型血的人患重症霍乱的风险更高。在一项针对5至9岁智利儿童的口服霍乱活疫苗CVD 103-HgR的随机、安慰剂对照、双盲安全性-免疫原性试验中,杀菌抗体血清转化率(总体为74%)在不同血型之间没有差异。然而,O型血疫苗接种者的几何平均滴度倒数(GMT = 486)高于非O型血疫苗接种者(GMT = 179)(P < 0.02)。