免疫失败

IBV血清型众多，不同血清型之间的交叉保护效果存在着差异，以致生产上往往因为使用的疫苗株与现地流行毒株血清型不一致而导致免疫失败，给世界各地养禽业带来极大的经济损失。

Since the serotypes of IBV are numerous , there are differences of cross-protective effect between different serotypes . Extremely great economic losses around the world poultry industry due to the vaccination failure have been resulting from the difference of serotypes between the epidemic strains and vaccine strains .

母亲血清乙型肝炎表面抗原、e抗原滴度与新生儿接种乙型肝炎疫苗免疫失败的关系

Relationship between maternal HBsAg , HBeAg titres and hepatitis B vaccine failure in infants born to HBV carrier mothers

宫内感染HBV婴儿接种乙肝疫苗免疫失败的机理和预后研究

A preliminary study on the mechanism and prognosis of immune failure of vaccination against HBV in intrauterine HBV infected infants

HBV宫内感染儿童接种乙型肝炎疫苗免疫失败与IL-2及其受体的关系

Study on the relationship between IL 2 / IL 2R and immunization failure of hepatitis B vaccine in the children with HBV intrauterine infection

2001年至2003年通过从不同地区的免疫失败鸡场分离到18株副鸡嗜血杆菌的血清型鉴定，有3株为B血清型，说明我国鸡传染性鼻炎的流行已经出现了新的特点。

About 18 Haemophilus paragallinarum ( Hpg ) strains were isolated and identified in different sites , there are 3 B serovar strains in them , indicating the new epidemiological characteristics of infectious coryza in China .

目的从IL－2及其受体角度探讨宫内感染HBV导致乙型肝炎（乙肝）疫苗免疫失败的机制。

Objective To study the mechanism of immunization failure of Hepatitis B vaccine by analyzing the changes of IL 2 / IL 2R system in HBV intrauterine infection children .

引起免疫失败的IBV分离株的生物学特性及结构基因分析

Analysis of Biological Characteristics and Structural Genes of IBV Isolate from Chickens with Immunoprophylaxis Defeat

目前CSF仍在我国持续流行，免疫失败现象时有发生，给CSF防控带来困难。

At present CSF is still prevalent in China , and immunity failures have been reported frequently , which makes it difficult to defend the CSF .

从一免疫失败鸡场中分离到1株鸡传染性法氏囊病野毒株，命名为LX株。

An infectious bursal disease virus ( IBDV ) field strain , designated strain LX , was isolated from a flock with immune failure .

为寻找免疫失败的原因，有效防治犬瘟热的流行，对临床一水貂犬瘟热疑似病例，取其肝、脾、脑等组织研磨后接种Vero和BHK细胞分离病毒，并对分离毒株进行一系列鉴定。

Tissues of liver , spleen and brain from a ferret clinically suspected of canine distemper were used for isolating virus on Vero and BHK cell lines .

接种狂犬病疫苗免疫失败原因分析及预防对策

Cause Analysis and Preventive Measures of Immunity Failure of Rabies Vaccination

一养鸡地区传染性法氏囊炎免疫失败的研究

Study on One Chicken Infectious Bursal Disease Virus Immune Failure Case

乙型肝炎疫苗免疫失败实验室原因的探讨

Discussion on laboratory causes for immunization failure with hepatitis B vaccine

导致免疫失败的原因主要是免疫前后，缺乏对动物带毒情况的筛查和免疫前后动物血液中病毒中和抗体的检测。

A reason of immune failure is lack of screening antibody detection .

母乳喂养与免疫失败的关联未达显著性（P>0.05）。

The association between Breast-feeding and efficacy of vaccine is not significant .

乙肝病毒感染孕妇分娩婴幼儿联合免疫失败机制的研究

Study of HBV Active-Passive Vaccination Failure in Infants with HBV Intrauterine Infection

鸡群免疫失败的原因及防制对策生长抑素与免疫

The Reasons of Failure for Chickens Immunity and Preventive Countermeasures

猪场免疫失败常见因素分析

Defeat The Factor Analysis of the Swine Immunity Failure

家禽免疫失败原因分析

Analysis of the cause for poultry immune failing

免疫失败儿童乙肝病毒S基因a抗原决定簇序列分析

Sequence analysis on HBV DNA " a " determinant mutation in children failed in HBIG vaccination

某肉种鸡场马立克氏病的诊断及免疫失败原因调查

Study on the Reason for the Failure to Immune Marek 's Disease on Some Breeding Bird Farm

宫内感染乙型肝炎病毒免疫失败婴幼儿树突状细胞和T细胞亚群的变化

Changes in Dendritic cells and T cell subsets in immunocompromised infants with intrauterine infection due to hepatitis B virus

毛皮动物主要传染病免疫失败原因分析及防制措施

The Analysis of Immunological Defeat Reason and Measurement of Prevention and Control on The Major Infectious Diseases of Fur Animal

目的查明隆安县部分乙肝疫苗免疫失败的原因。

Objective To find out the cause of breakthrough infections in Long An County children immunized with hepatitis B vaccine .

主要的预防手段为定期接种疫苗，但近年来免疫失败的现象时有发生，最主要的原因是因为水貂肠炎病毒一直处于不断的进化和变异中。

Although the minks were vaccinated regularly , unsuccessful inoculation happened every year for the reason that virus kept mutating and evolving .

宫内感染乙型肝炎病毒儿童接种乙型肝炎疫苗免疫失败与其相关细胞因子关系研究

A study on the relationship between cytokines and failure of immunization with hepatitis B vaccine in children who had intrauterine HBV infection

甲肝减毒活疫苗及加服牛磺酸在接种乙肝疫苗免疫失败儿童中的致免疫性

Immunogenicity of attenuated hepatitis A virus ( HAV ) vaccine and combined oral Taurine in the children failed to respond to hepatitis B virus ( HBV ) vaccine

同时对马立克氏病与禽淋巴细胞性白血病（lymphoidleukosis，LL）进行了鉴别诊断，并分析了该场马立克氏病免疫失败的原因。

The differential diagnosis between Marek 's disease and lymphoid leukosis is conducted and the failure reason of vaccination against Marek 's disease on this farm is analyed .

在干预组中，疫苗组和联合组的慢性感染率和免疫失败率无显著差异（P>0.05）；

In intervention group , the bacterin group and combined HBIG group were not significantly different in the rate of supercilious infection and immunity losted ( P > 0.05 );

结果：干预组的新生儿宫内感染率、慢性感染率和免疫失败率均显著低于对照组（P<0.01）；

Results : The intervention group of the rate of infection in uterus , supercilious infection and immunity losted were significantly less than control group ( P < 0.01 ) .