Effect of a national disaster on blood supply and safety: the September 11 experience

CONTEXT: An understanding of characteristics of blood donors donating in times of crisis may help predict blood supply safety and donor return patterns. OBJECTIVES: To characterize the volume of donations and prevalence of infectious disease markers in blood donated by US donors responding to the September 11, 2001, terrorist attacks, and to evaluate return rates in those who donated for the first time. DESIGN: Cross-sectional survey data from the National Heart, Lung, and Blood Institute Retrovirus Epidemiology Donor Study for 4 weeks before and 4 weeks starting with September 11, 2001, and the corresponding 8-week period in 2000. SETTING AND PARTICIPANTS: A total of 327065 volunteer blood donors making 373628 allogeneic donations at 5 large regional US blood centers. MAIN OUTCOME MEASURES: Changes in number of donations overall and by first-time and repeat status, prevalence of infectious disease markers, estimated risks of transfusion-transmitted viral infections, and first-time donor return rates. RESULTS: About 20000 allogeneic donations were collected weekly in the 4 weeks preceding September 11, whereas approximately 49 000 (2.5-fold increase) and approximately 26000 to 28000 (1.3-fold to 1.4-fold increases) donations were made per week in the first and in the second through fourth weeks starting with September 11, respectively. All demographic groups donated more than usual after the attacks, and after adjusting for seasonal and annual variation there was a 5.2-fold (95% confidence interval, 5.0-5.4) increase in the number of first-time donations vs a 1.5-fold (1.4-1.5) increase in the number of repeat donations made in the first week starting on September 11 vs the 4 weeks before. The weekly proportion of repeat donors returning after not donating for 10 or more years increased from 2% before September 11 to 6% in the first week starting with September 11. Donations confirmed positive for human immunodeficiency virus (HIV), hepatitis C virus (HCV), and hepatitis B surface antigen nearly tripled between 1 week before September 11 (0.1%) and 1 week after the attacks (0.3%), largely explained by the increase in first-time and lapsed repeat donors. Estimated viral residual risks increased slightly after the attacks (HIV, 1/1.5 million vs 1/1.8 million donations; HCV, 1/1.3 million vs 1/1.6 million; hepatitis B virus, 1/140000 vs 1/170000). First-time donor 12-month return rates for 2000 and 2001 were similar, approximately 28% (P =.37) for donors in the first week starting with September 11 (or September 12, 2000) and 30% (P =.69) for the second to fourth weeks. CONCLUSIONS: The September 11 events resulted in an influx of first-time donors without substantial increase in absolute risk of transfusion-transmissible viral infections. First-time donor return rates were equally relatively low before and after the attacks, suggesting that those donating in times of crisis have return behaviors similar to those of other first-time donors. Their relatively low return rates reinforce the need for education about the importance of donating regularly.     

Human immunodeficiency virus antibodies in sera of Australian blood donors: 1985-1990

OBJECTIVE: To describe the results of human immunodeficiency virus type 1 (HIV-1) antibody testing of blood donations in Australia. DESIGN: Blood transfusion services tabulated the number of HIV-1 antibody tests carried out on blood donations and the number of donations found to be positive, from 1985 to 1990. SETTING: All blood transfusion services in Australia. PARTICIPANTS: All donors of blood in Australia from 1 May 1985 to 31 December 1990. OUTCOME MEASURES: The proportion of blood donations found to have HIV-1 antibody, according to State or Territory, year of donation and, when available, age, sex and donation status (repeat or first-time) of the donor. RESULTS: To the end of December 1990, 5,367,970 donations had been tested for HIV-1 antibody, and 46 were found to have the antibody, giving an overall prevalence rate of 0.86 per 100,000 donations. The highest rate was recorded in New South Wales, followed by Western Australia, and four of eight Australian States and Territories reported no donors with HIV-1 antibody. There has been no clear trend with time, but the rate is about 20% higher for 1989-1990 than for 1985-1986. Of donors found to have HIV-1 antibody, 67% were male and 33% female, and 41% reported no known or potential exposure to HIV-1 other than heterosexual contact. Among blood donors in two major Australian cities, the overall prevalence of HIV antibody was higher in those who were male, younger, and first-time donors. There has been a recent increase in the number of blood donors with HIV-1 antibody who were women reporting heterosexual contact as their only potential exposure. CONCLUSION: The rate of HIV-1 antibody in Australian blood donations remains very low and shows no clear temporal trend, but specific donor characteristics define higher rates of antibody prevalence.     

1999～2013年西安市首次献血志愿者输血相关感染性指标阳性率的趋势研究

目的：本研究分析了1999～2013年西安地区首次献血志愿者输血相关感染性指标检测阳性的长期趋势,以评估西安市输血安全态势。方法对1999～2013年西安市西京医院血液中心所有的首次献血者中乙型肝炎病毒（HBV）、丙型肝炎病毒（HCV）、人免疫缺陷病毒（HIV）和梅毒螺旋体（TP）的感染数据进行趋势检验分析。结果1999～2013年的415657例首次献血者中,上述病原体的阳性率依次为 HBV 1．02％,HCV 0．55％,HIV 0．05％,TP 0．46％。 HBV 和 HCV 感染具有下降趋势。结论 HBV 感染是西安地区血液安全性的主要威胁,而 HIV 、TP 的流行率增加可能也成为一种潜在的威胁。     

Transfusion Transmitted Infections in Armed Forces: Prevalence and Trends

Background

This study presents data on the prevalence rate of infectious markers among voluntary and replacement donors in the blood transfusion service in Armed Forces from 2000 to 2004.

Methods

39,646 units of blood were collected from donors during the period from 2000 to 2004. All the samples were screened for hepatitis B surface antigen (HBsAg), human immunodeficiency virus (HIV) 1&2, hepatitis C virus (HCV), and by venereal disease research laboratory test (VDRL).

Results

24,527 (61.9%) were voluntary donations and 15,119 (38.1%) replacement donations. Prevalence of HBsAg had decreased, amongst voluntary donors from 1.67% to 0.77% but the positivity rate has not showed significant change. Seropositivity of HIV had decreased both in voluntary and replacement donors to 0.22% and 0.86% respectively. The seropositivity for anti-HCV showed steady decrease amongst voluntary donors from 0.46% to 0.20% in 2004, but in replacement donors, there was an increase in reactivity rate from 0.43% to 0.65%.

Conclusion

The increased seropositivity for HCV, HIV and HBsAg could be decreased by introduction of nucleic acid amplification testing (NAT) in minipools for HCV and HIV and introduction of anti-HBcAg (IgM) for hepatitis B virus (HBV) infection. But this may not be possible in near future in developing countries due to financial constraints. At present implementation of strict donor criteria and with use of sensitive laboratory screening tests it is possible to reduce the incidence of transfusion transmitted infections (TTI) in Indian scenario.Key Words: Transfusion transmitted infections, Human immunodeficiency virus, Hepatitis C virus, Hepatitis B virus     

Changing trends of transfusion transmitted viral infections among blood donors in the last decade—a 10-year study in a large tertiary care blood bank (2000–2009

Background

The main blood borne viruses'' viz. hepatitis B virus (HBV), human immunodeficiency virus (HIV), and hepatitis C virus (HCV), are a major public health issue, and represent significant causes of morbidity and mortality associated with transfusion. This study analysed the trends of blood borne infections among blood donors in a large blood bank in the last 10 years.

Method

Viral screening results of 80,500 voluntary and replacement donations from 2000 to 2009 were analysed. All donations were screened for HBV, HCV, and HIV. The seroprevalence rate of HBV, HCV, and HIV infections and 95% confidence interval were calculated.

Results

The seroprevalence rate of HBV, HIV, and HCV, decreased during the last 10-years study from 2000 to 2009. There is significant and impressive decrease in HBV seroprevalence rate from 2.39% in 2000 to 1.28% in 2009. The seroprevalence rate of HIV appeared to have decreased with a very significant value from 1.32% to 0.30% in 2009. Hepatitis C virus seroprevalence rate showed a slight decline in blood donations from 0.48% in 2001 to 0.22% in 2009.

Conclusion

There is a general reduction in the seroprevalence rate of viral infections. This is probably because of discouragement of professional or paid donations; better awareness, better prophylactic measures, and availability of vaccines have played a major role.Key Words: transfusion transmitted infections     

Prevalence of hepatitis C virus antibodies in Sydney blood donors.

OBJECTIVE: To determine the prevalence of hepatitis C virus (HCV) antibodies in the Sydney blood donor population. DESIGN: All blood donations collected from Red Cross blood donors in Sydney from February 1990 until April 1991 were tested for HCV antibodies. For those samples found reactive in an anti-HCV screening test, a confirmatory test was carried out for the presence of HCV antibodies and the alanine aminotransferase level was measured. RESULTS: The prevalence of repeated reactivity to the screening test was 0.45% among blood donations overall, and 1.02% in donors giving blood for the first time in the study period. The confirmatory test result was positive for 30.8% of donations found to be repeatedly reactive in the screening test. There was little change over the study period in the HCV antibody prevalence of donors giving blood for the first time, but there was a clear decrease in the prevalence among all donations. Prevalence in males was nearly twice the prevalence in females--a difference which was consistent across age groups. The highest prevalence in both sexes was in the age group 30-34 years. Among samples for which the screening test results was positive, there was a strong correlation between the reactivity recorded for the screening test and both the proportion found positive by the confirmatory test and the proportion with an elevated alanine aminotransferase level. CONCLUSION: The small proportion of blood donations found to be repeatedly reactive by anti-HCV screening and the relatively good correlation with the confirmatory test and liver function assay indicate that a policy of discarding these donations will decrease the risk of transfusion-transmitted HCV infection without materially affecting the supply of blood.     

Changing trends of transfusion transmitted viral infections among blood donors in the last decade—a 10-year study in a large tertiary care blood bank (2000–2009

Background

The main blood borne viruses' viz. hepatitis B virus (HBV), human immunodeficiency virus (HIV), and hepatitis C virus (HCV), are a major public health issue, and represent significant causes of morbidity and mortality associated with transfusion. This study analysed the trends of blood borne infections among blood donors in a large blood bank in the last 10 years.

Method

Viral screening results of 80,500 voluntary and replacement donations from 2000 to 2009 were analysed. All donations were screened for HBV, HCV, and HIV. The seroprevalence rate of HBV, HCV, and HIV infections and 95% confidence interval were calculated.

Results

The seroprevalence rate of HBV, HIV, and HCV, decreased during the last 10-years study from 2000 to 2009. There is significant and impressive decrease in HBV seroprevalence rate from 2.39% in 2000 to 1.28% in 2009. The seroprevalence rate of HIV appeared to have decreased with a very significant value from 1.32% to 0.30% in 2009. Hepatitis C virus seroprevalence rate showed a slight decline in blood donations from 0.48% in 2001 to 0.22% in 2009.

Conclusion

There is a general reduction in the seroprevalence rate of viral infections. This is probably because of discouragement of professional or paid donations; better awareness, better prophylactic measures, and availability of vaccines have played a major role.     

有偿献血员人类免疫缺陷病毒合并乙型、丙型肝炎病毒感染及生化指标分析

目的: 探讨有偿献血员中人类免疫缺陷病毒(HIV)合并乙型、丙型肝炎病毒(HCV、HBV)感染情况及其肝、肾功能指标的变化。方法: 选取125例曾有偿献血HIV感染者,进行HCV、HBV血清学标志物及肝、肾功能各项指标检测。结果: 125例中,合并HCV感染率为92.0%,合并HBV感染率为5.6%,合并HCV感染组AST、ALT与对照组和单纯HIV感染组差异均有统计学意义。HIV合并HCV、HBV感染组及单纯HIV感染组β₂微球蛋白与对照组差异有统计学意义,合并HCV组与单纯HIV感染组β₂微球蛋白差异有统计学意义(P < 0.01)。结论: HIV合并HCV可加重HIV患者的肝脏损害,对肾功能未造成影响,β₂微球蛋白升高可能是机体免疫过度活化的表现。     

Prevalence of hepatitis C antibodies in patients with clotting disorders in Victoria. Relationship with other blood borne viruses and liver disease.

OBJECTIVE: To elucidate the seroepidemiology of hepatitis C in patients with clotting disorders in comparison with other blood borne infections; to examine the effects of hepatitis C on liver function; and to assess the effectiveness of current screening and inactivation procedures used in preventing the transmission of blood borne viruses by clotting factor preparations. DESIGN: A retrospective analysis of the prevalence of antibodies to hepatitis C virus (HCV), hepatitis B virus (HBV) and human immunodeficiency virus (HIV) by means of commercially available enzyme immunoassays (for antibodies to HCV and HIV) or radioimmunoassays (for HBV antibodies and surface antigen). An analysis was made of serum transaminase levels where such information was available and this was correlated with HCV status. PATIENTS AND SETTING: Panels of sera were collected from adults and children with clotting disorders attending two Melbourne haemophilia treatment centres in 1973 (n = 33), 1980 (n = 33), 1984-1985 (n = 111) and 1987-1990 (n = 217) and tested for antibodies to HCV, HBV and HIV. RESULTS: The prevalence of antibodies to HCV in the four panels tested was 45%, 74%, 75% and 76%, and the prevalence of markers of infection with HBV was 66%, 74%, 62% and 65% respectively. No antibodies to HIV were found in sera in Panels I and II but the prevalence in Panels III and IV was 23% and 36% respectively. In subjects in whom liver function test results were available, there was a significant association between the presence of antibodies to HCV and raised transaminase levels. Since heat inactivation of clotting factors was commenced in Australia in 1984, no new cases of transmission of HIV by clotting factors has been detected, but transmission of HCV in 19 subjects and HBV in one subject could not be excluded. CONCLUSIONS: Hepatitis C infection in haemophiliacs has been a very frequent event, and the presence of antibodies to HCV is associated with an increased incidence of raised transaminase levels. Screening and heat inactivation of clotting factors has prevented further HIV transmission, but exposure to HBV and HCV has not been eliminated.     

Seroprevalence of hepatitis B and hepatitis C in patients with thalassemia and sickle cell anemia in a long-term follow-up

BACKGROUND: Transfusion-dependent patients are more prone to acquiring various transfusion-transmitted infections such as hepatitis B (HBV), hepatitis C (HCV) and human immunodeficiency virus (HIV). The aim of the study was to investigate the prevalence of these infections in patients with thalassemia and with sickle cell anemia (SCA) receiving multiple blood transfusions. METHODS: The subjects of the present study were 399 multi-transfused patients with beta-thalassemia major or intermedia and SCA who have been registered at the two regional hemoglobinopathy centers in Turkey since 1996. Hepatitis B surface antigen (HBsAg), hepatitis C virus antibodies (anti-HCV) and human immunodeficiency virus antibodies (anti-HIV) tests were assayed by a second-generation enzyme-linked immunosorbent assay method. RESULTS: Of the 399 patients, 3 were HBsAg positive (0.75%), 18 were anti-HCV positive (4.5%), and none was anti-HIV positive. All patients with HBsAg and 14 (77.7 %) patients with HCV received initial blood transfusions before second-generation tests were performed. Patients who were anti-HCV positive had a significantly higher mean number of blood transfusions and peak serum alanine transaminase level than anti-HCV-negative patients. CONCLUSIONS: These results showed that after introduction of more sensitive screening tests and stringent donor selection procedures, incidence of HCV infection was significantly reduced, but there was still a serious risk for HCV infection, and there was a minor risk for HBV infection in patients with thalassemia and SCA.     

Risk of HIV infection from blood transfusion in Montreal

OBJECTIVES: To determine the incidence (including associated donor characteristics and time trends) of HIV infection among repeat blood donors and to estimate the risk of HIV transmission from blood transfusion in Montreal and in Canada as a whole. DESIGN: Retrospective cohort analysis. SETTING: Montreal Centre Blood Transfusion Service. PARTICIPANTS: People who donated blood at least twice after Nov. 1, 1985, and at least once from Apr. 1, 1989, to Mar. 31, 1993. INTERVENTION: Blood was screened for HIV by enzyme-linked immunosorbent assay and results were confirmed by Western blot analysis. OUTCOME MEASURES: Incidence density (the incidence rate per person-time) of HIV infection among repeat blood donors by sex, age group and region of residence, and incidence density and risk among first-time donors and for Canada as whole. RESULTS: There were 200,196 eligible donors and 432,631 person-years (PY) of observation. From 1989 to 1993, there were 18 HIV seroconversions among repeat donors. The crude incidence density was 3.3 per 100,000 PY (95% confidence interval [CI] 1.8 to 5.4 per 100,000 PY); it was 4.9 per 100,000 PY among men and 0.61 per 100,000 PY among women. Age-specific incidence per 100,000 PY was 2.5 among those 12-29 years of age, 5.1 among those 30-49, 2.9 among those 40-49, and 1.4 among those 50 and older. Based on an estimated mean "window period" (from when a donor's blood is capable of transmitting HIV until detectable antibody appears) of 25 days, the current risk of HIV infection from repeat donors in the window period is estimated at 1 in 440,000. Inclusion of blood units from first-time donors produces an overall risk of 1 in 390,000 (95% CI 1 in 250,000 to 655,000). The estimated risk per blood unit in Canada as a whole is 1 in 913000 (95% CI 1 in 507,000 to 2,050,000). CONCLUSIONS: This "sentinel" population of repeat blood donors is subject to important trends in HIV spread. Therefore, estimating the incidence density of HIV infection in repeat donors provides insight into the epidemiologic characteristics of HIV infection at minimal expense. As a result of measures to improve blood safety, including HIV testing, the incidence of HIV infection among blood donors in Canada is low and the risk of HIV transmission from transfusion is extremely small, although not zero.     

128例经血感染HIV患者合并HCV和HBV感染状况

目的了解经血感染人类免疫缺陷病毒1型(HIV-1)患者合并感染乙型肝炎病毒(HBV)及丙型肝炎病毒(HCV)的情况及发病特点。方法回顾性分析128例经血感染HIV患者合并感染HBV和HCV的感染率、肝脏表现及部分免疫学特征。结果128例患者中,单纯合并HCV感染者107例(83.6%),其中40例(31.3%)出现肝功能异常或肝损害,15例(11.7%)合并肝炎症状;单纯合并HBV感染3例(2.3%),均出现肝功能异常和肝炎症状;HIV、HBV、HCV三重感染7例(5.5%),无1例存在肝功能异常和肝炎症状;11例(8.6%)患者未合并HBV或HCV。结论经血感染HIV的患者与HCV的合并感染率高于与HBV的合并感染率,HIV合并HCV感染与HBV感染的临床转归也存在差异。     

山东省血友病患者乙型肝炎、丙型肝炎和人类免疫缺陷病毒感染情况调查分析

目的了解山东省血友病患者乙型肝炎病毒（HBV）、丙型肝炎病毒（HCV）和人类免疫缺陷病毒（HIV）的感染情况。方法对2005～2011年山东省血友病诊疗中心确诊或治疗的628例血友病患者进行HBsAg、抗-HCV和抗-HIV检测,并根据年龄段进行分组。结果 628例血友病患者HBsAg、抗-HCV和抗-HIV阳性率分别为3.3%（21/628）、9.6%（60/628）和0.6%（4/628）,总感染率为13.5%,不同年龄段患者HBsAg和抗-HCV阳性率有明显差异。结论山东省血友病患者乙型肝炎感染率低于一般人群,而丙型肝炎感染率高于一般人群,艾滋病感染有上升趋势,乙型肝炎和丙型肝炎感染与年龄密切相关。     

血源性艾滋病高发村村民HIV/HBV/HCV混合感染状况调查

目的:了解中国中部血源性艾滋病高发村HIV/HBV/HCV混合感染状况.方法:以血源性艾滋病高发村2岁以上村民1506人为调查对象,采静脉血检测HIV、HBV、HCV.结果:1506人中,1180人进行了所有检测,总调查率78.4%.1180人中,HIV、HBV、HCV感染率分别为15.34%、5.34%、36.44%.HIV/HBV、HIV/HCV、HBV/HCV、HIV/HBV/HCV混合感染率分别为0.25%、12.12%、0.34%、0.34%;有有偿献血史者单项HIV、单项HCV、HIV/HCV感染率高于无有偿献血史者;无有偿献血史者HCV感染者的配偶HCV感染率78.13%(75/96)高于无有偿献血的HCV阴性者的配偶HCV感染率2.91%(19/654)(P＜0.000 1).结论:由于有偿献血,血源性艾滋病高发村存在较高水平的HIV、HBV或HCV混合感染,主要感染类型为 HIV/HCV.     

Primary hepatocellular carcinoma in Australia, 1978-1997: increasing incidence and mortality

OBJECTIVES: To describe trends in primary hepatocellular carcinoma (HCC) incidence and mortality in Australia between 1978 and 1997, and to delineate the effects of hepatitis B virus (HBV) and hepatitis C virus (HCV) infection by examining cases of HCC in Australian-born and overseas-born people separately. DESIGN AND SETTING: Retrospective analysis of national incidence and mortality data in which the underlying cause was coded as HCC (International classification of diseases, ninth revision [ICD-9] code 155.0). MAIN OUTCOME MEASURES: Changes in age-standardised HCC incidence rates in men and women between 1983 and 1996; age-standardised HCC death rates in Australian-born and overseas-born men and women between 1978 and 1997. RESULTS: Age-standardised incidence rates increased in men and women (from 2.06 and 0.57 per 100,000 respectively in 1983-1985 to 3.97 and 0.99 respectively in 1995-1996). Age-standardised death rates increased in Australian-born and overseas-born men and overseas-born women (from 1.43, 2.35 and 0.62 respectively per 100,000 in 1978-1982 to 2.50, 4.41 and 1.36 respectively in 1993-1997). However, death rates in Australian-born women did not increase (0.58 per 100,000 in 1978-1982 and 0.63 in 1993-1997). CONCLUSIONS: HCC incidence and death rates in Australia have increased over the past two decades, except in Australian-born women. A likely explanation for at least a portion of this increase is increased prevalences of HBV and HCV infection in Australia.     

上海市浦东新区HIV高危人群感染HBV和HCV的流行病学调查

目的 了解上海市浦东新区HIV高危人群的乙肝病毒（HBV）、丙肝病毒（HCV）感染状况,分析危险因素,建立更有针对性的HBV、HCV防制策略。方法 采用整群抽样和连续抽样等方法抽取2019—2020年浦东新区HIV高危人群,开展问卷调查、实验室检测,描述并比较HBV、HCV感染率的异同,采用Logistic回归分析HBV、HCV感染的危险因素。结果 共调查5 784人,HIV感染率为2.46%,HBV感染率为7.16%,HCV感染率为2.52%,HBV-HCV合并感染率为0.14%,HIV-HBV合并感染率为0.21%,HIV-HCV合并感染率为0.03%,无HIV、HBV、HCV合并感染者。HBV感染的危险因素为年龄45岁以上、男性、高中以上文化程度、肝炎家族史、手术治疗史、牙科诊疗史、静脉注射吸毒、针灸史、创伤性美容、修面或修足、不安全性行为。HCV感染的危险因素为年龄35岁以上、本市户籍、婚姻状况离异或丧偶、输血或血制品、静脉注射吸毒,婚姻状况已婚为保护因素。结论 浦东新区HIV高危人群HBV、HCV感染率高于一般人群,建议加强HIV高危人群的HBV、HCV筛查工作,通过接种乙肝...     

Prospective study of mono-strand DNA virus (TTV) transmission by blood transfusion

AlthoughsensitiveandspecificimmunoassayandmolecularbiologicaltechniquesoftheknownhepatitisA-Evirusareavailable,theetiologyofasubstantialfractionofpost-transfusionandcom-munity-acquiredhepatitiscaseshaveremainedun-defined[1'2],hepatitisGvirus(HGV)couldbetheagentsofpartnonA-Ehepatitis,butthepathogenicityofHGVisstillremainedtobeidenti-fied,suggestingtheexistenceofadditionalcausativeagentsL"'.'].Anewhumanhepatitisre-latedviruswasisolatedbyagroupofJapanesesci-entists[6.7]-Thenewvirusisprovisio…     

Hepatitis B and C virus infections in patients with hemophilia in Zahedan, southeast Iran

OBJECTIVE: To determine the prevalence of hepatitis B virus (HBV) and hepatitis C virus (HCV) infections in patients with hemophilia in Zahedan, Iran. METHODS: From March 2003 to January 2006, we evaluated 81 hemophiliac patients in Zahedan Hemophilia Center, southeast Iran, for hepatitis C virus antibody (HCV-Ab) and hepatitis B surface antigen (HBsAg), and evaluated the prevalence of HBV/HCV co-infection. RESULTS: The seroprevalence of HCV was 29.6%, and the HBsAg was positive in 4.9%. Four cases had HCV and HBV co-infection. All of the infected patients were unknowingly treated with contaminated plasma products before the middle of 1996. CONCLUSION: All hemophiliacs, especially patients who have been treated with unheated clotting factor concentrates, should be evaluated for HCV and HBV infections.     

ABO血型与肝炎病毒感染关系的探讨

目的：探讨ABO血型与肝炎病毒感染的关系，方法：应用疾病关联分析方法对HBsAg和,抗－HCV阳性献血者与同期健康献血者的ABO血型资料进行比较分析。结果：ABO血型与HBsAg和抗－HCV阳性率之间无显著性相关关系（P＞0．05），结论：乙型肝炎和丙型肝炎病毒感染与ABO血型无显著性相关。