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Emergence of Antibiotic Resistance in Pakistan; A Clear Problem for Future 巴基斯坦出现抗生素耐药性;未来的一个明显问题
Pub Date : 2017-11-16 DOI: 10.4172/2157-7560.1000375
M. Afzal
The capacity of bacteria to resist against the effects of an antibiotic is called antibiotic resistance. Antibiotic resistance is due to the change in bacteria by some approach that eliminates or reduces the efficiency of chemicals, drugs, or other agents designed for treatment against infections. The survival and continuously multiplication of bacteria causes more destruction in human body
细菌抵抗抗生素作用的能力被称为抗生素耐药性。抗生素耐药性是由于细菌通过某种方法消除或降低了用于治疗感染的化学品、药物或其他药物的效率而发生的变化。细菌的生存和不断的繁殖对人体造成了更大的破坏
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引用次数: 5
Simplified Pneumococcal Vaccination Schedules for Adults Age 50 and Over Lead to Worse Health 50岁及以上成年人简化肺炎球菌疫苗接种时间表导致健康状况恶化
Pub Date : 2017-11-10 DOI: 10.4172/2157-7560.1000373
C. Stoecker, L. Kim, R. Gierke, T. Pilishvili
Background: In 2014 the Advisory Committee on Immunization Practices (ACIP) approved a dose of 13-valent pneumococcal conjugate vaccine (PCV13) for all adults at age 65 years. This further complicated the pneumococcal vaccination schedule, which was already one of the most complicated schedules. Objective: This study documents simplified schedules that were considered and discarded by the pneumococcal working group before making the most recent recommendation. We examined the marginal cost-effectiveness of several simplified schedules for older adults (age 50+ years) when compared with current recommendations. Our primary outcome was the cost-effectiveness ratio of quality-adjusted life years to cost. Methods: We used a probabilistic model following a cohort of 50 year-olds with separate vaccination coverage and disease incidence data for healthy adults and adults at increased risk of pneumococcal disease. We compared incremental cost-effectiveness ratios from the schedule that was ultimately recommended with each potential simplified vaccination strategy. Results: Most schedules analyzed resulted in several hundred additional deaths. While several possible schedules resulted in cost savings, these cost savings were modest compared to the health costs associated with them. Conclusion: The schedule recommended by the ACIP in 2014, while complex, is the most health promoting compared to the modeled alternative schedules. The incremental cost-effectiveness ratio of the current schedule when compared to simplified alternatives is comparable to other vaccine-related interventions.
背景:2014年,免疫实践咨询委员会(ACIP)批准了一剂适用于所有65岁成人的13价肺炎球菌结合疫苗(PCV13)。这进一步复杂化了肺炎球菌疫苗接种计划,这已经是最复杂的计划之一。目的:本研究记录了肺炎球菌工作组在提出最新建议之前考虑并放弃的简化时间表。我们比较了几种老年人(50岁以上)简化方案与当前推荐方案的边际成本效益。我们的主要结局是质量调整生命年与成本的成本-效果比。方法:我们使用了一个概率模型,对一组50岁的健康成人和肺炎球菌疾病风险增加的成年人进行了单独的疫苗接种覆盖率和疾病发病率数据。我们比较了最终推荐的时间表与每种可能的简化疫苗接种策略的增量成本-效果比。结果:分析的大多数时间表导致数百人额外死亡。虽然有几个可能的时间表节省了成本,但与与之相关的医疗费用相比,这些成本节省并不多。结论:2014年ACIP推荐的计划虽然复杂,但与模拟的替代计划相比,最能促进健康。与简化替代方案相比,当前计划的增量成本效益比与其他疫苗相关干预措施相当。
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引用次数: 1
Immune Response Modifying Effects of Bee Venom Protein [Melittin]/Autoclaved L. donovani complex in CD1 Mice: The Search for New Vaccine Adjuvants 蜂毒蛋白[蜂毒素]/高压灭菌多诺瓦杆菌复合物对CD1小鼠免疫应答的调节作用:寻找新的疫苗佐剂
Pub Date : 2017-10-31 DOI: 10.4172/2157-7560.1000372
W. Saeed, E. Khalil
Visceral leishmaniasis (VL) is a major cause of morbidity/mortality in remote areas of East Africa. Vaccines for VL can provide an effective control measure to help control/eliminate this fatal disease. To date there is no effective anti-leishmanial vaccine. There is an urgent need to develop effective adjuvants-potentiated anti-leishmanial vaccines. Bee venom protein, melittin is a natural substance that is reported to boost the immune system providing rapid non–specific defense against infections. This study aimed to determine the immune response modifying effects of melittin and melittin/Autoclaved Leishmania donovani [ALD] complex on Swiss CD1 Albino mice. One hundred and eighty five CD1 mice were divided into control [no vaccine] and vaccine groups [3 doses of ALD alone, melittin, melittin/ALD mixture or melittin-adsorbed ALD]. Whole blood cytokines levels [IL-10, IFN-γ and TNF-α] were measured using commercial ELISA kits. ALD alone group showed significant increase in mean levels of IL-10, IFN-γ and TNF-α compared to controls [p=0.00004, p=0.01 and p=0.00001 respectively]. The Melittin and Melittin/ALD mixture-vaccinated mice showed significant increase in IL-10 and IFN-γ mean levels [IL-10 p=0.00001, p=0.00003; IFN-γ p=0.03, p=0.035 respectively], while the mean levels of TNF-α decreased significantly [p=0.00009, p=0.001] compared to controls. Melittin-adsorbed ALD reduced significantly the mean levels of IL-10, IFN-γ and TNF-α [p=0.00001, p=0.00008 and p=0.000001 respectively]. In conclusion, melittin alone and Melittin/ALD complex affected significantly Th1 and Th2 immune responses in Swiss CD1 Albino mice. Meltttin could be a potentially effective adjuvant for future anti-leishmania vaccines.
内脏利什曼病(VL)是东非偏远地区发病/死亡的主要原因。VL疫苗可以提供有效的控制措施,帮助控制/消除这一致命疾病。迄今为止,还没有有效的抗利什曼病疫苗。迫切需要开发有效的佐剂增强抗利什曼疫苗。蜂毒蛋白是一种天然物质,据报道可以增强免疫系统,对感染提供快速的非特异性防御。本研究旨在确定蜂毒素和蜂毒素/ ALD复合物对瑞士CD1白化小鼠免疫应答的调节作用。185只CD1小鼠分为对照组(未接种疫苗)和疫苗组(单独接种ALD、蜂毒素、蜂毒素/ALD混合或蜂毒素吸附ALD 3个剂量)。全血细胞因子水平[IL-10, IFN-γ和TNF-α]采用商用ELISA试剂盒检测。与对照组相比,ALD单独治疗组IL-10、IFN-γ和TNF-α的平均水平显著升高[p=0.00004, p=0.01和p=0.00001]。Melittin和Melittin/ALD混合接种小鼠IL-10和IFN-γ平均水平显著升高[IL-10 p=0.00001, p=0.00003;IFN-γ p=0.03, p=0.035], TNF-α平均水平较对照组显著降低[p=0.00009, p=0.001]。蜂毒素吸附ALD显著降低了IL-10、IFN-γ和TNF-α的平均水平[p=0.00001, p=0.00008和p=0.000001]。综上所述,melittin单独和melittin /ALD复合物显著影响瑞士CD1白化小鼠Th1和Th2免疫应答。Meltttin可能是未来抗利什曼原虫疫苗的潜在有效佐剂。
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引用次数: 9
Priming after Inactivated Poliovirus Vaccine: Implications for Polio Eradication 灭活脊髓灰质炎病毒疫苗后的启动:对根除脊髓灰质炎的影响
Pub Date : 2017-10-30 DOI: 10.4172/2157-7560.1000370
R. Sutter, Sherine Ensan, K. Murali-Krishna
Progress toward polio eradication has shifted attention to developing and implementing the endgame strategies. The process of replacing oral poliovirus vaccine (OPV) with inactivated poliovirus vaccine (IPV) has begun, starting with the withdrawal of Sabin type 2 poliovirus from OPV in April 2016, and the simultaneous introduction of IPV in routine immunization schedules. The addition of a single dose of IPV to the bivalent type 1 and type 3 OPV (bOPV) schedule was recommended as a risk mitigation strategy to prevent paralytic disease due to poliovirus type 2. Single-dose IPV, however, is insufficient for inducing seroconversion in a majority of the vaccinees, despite immune priming ability. In this report we review studies that explore immune priming and memory conferred by single-dose IPV even in situations where seroconversion is not achieved, and discuss the current knowledge gaps and their implications for sustaining global polio eradication and for refining of the endgame strategies.
在消灭脊髓灰质炎方面取得的进展已将注意力转移到制定和实施最后阶段战略。以灭活脊髓灰质炎疫苗(IPV)取代口服脊髓灰质炎疫苗(OPV)的进程已经开始,首先是2016年4月从口服脊髓灰质炎疫苗中撤出沙宾2型脊髓灰质炎病毒,并同时将IPV纳入常规免疫计划。建议在二价1型和3型口服脊髓灰质炎疫苗(bOPV)计划中增加一剂IPV,作为一种风险缓解策略,以预防2型脊髓灰质炎病毒引起的麻痹性疾病。然而,单剂量IPV不足以在大多数疫苗接种者中诱导血清转化,尽管具有免疫启动能力。在本报告中,我们回顾了探索单剂量IPV在未实现血清转化的情况下所赋予的免疫启动和记忆的研究,并讨论了目前的知识差距及其对维持全球根除脊髓灰质炎和完善最终战略的影响。
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引用次数: 0
Vaccination for One Health 为同一个健康接种疫苗
Pub Date : 2017-10-26 DOI: 10.15406/IJVV.2017.04.00090
M. Francis
Submit Manuscript | http://medcraveonline.com humans are contracted from animals [2]. In addition, it is estimated that at least 70% of emerging and re-emerging diseases are either zoonotic (spread from animals to humans) or vector-born (carried from infected animals to others through insects). Furthermore, at least 20% of livestock production globally is affected by morbidity and mortality losses due to animal diseases. This represents in the order of 60 million tonnes of meat and 150 million tonnes of milk with a value of approximately $300 billion US dollars annually. It is certainly true to say that there are significant similarities between humans and animal health throughout society. They have a number of diseases in common, including certain cancers, kidney disease, osteoarthritis, cardiovascular diseases and numerous infectious diseases. Indeed, veterinary surgeons play an important role in not only the health of animals but also that of their human contacts and the environment. Their expertise and broad impact on the One Health agenda often goes unrecognised.
投稿| http://medcraveonline.com人类是由动物传染而来的[2]。此外,据估计,至少70%的新出现和再出现的疾病要么是人畜共患疾病(从动物传播给人类),要么是媒介传播疾病(通过昆虫从受感染的动物传播给其他人)。此外,全球至少20%的畜牧业生产受到动物疾病造成的发病率和死亡率损失的影响。这相当于每年约6000万吨肉类和1.5亿吨牛奶,价值约为3000亿美元。可以肯定地说,在整个社会中,人类和动物的健康存在着显著的相似之处。他们有许多共同的疾病,包括某些癌症、肾病、骨关节炎、心血管疾病和许多传染病。事实上,兽医不仅对动物的健康,而且对与它们接触的人类和环境的健康都起着重要的作用。他们的专业知识和对“同一个健康”议程的广泛影响往往得不到承认。
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引用次数: 5
Life Span of a Parapoxvirus Ovis Vector and Local Immune Activation in a Non-Permissive Host 副痘病毒载体的生命周期与非容许宿主的局部免疫激活
Pub Date : 2017-10-19 DOI: 10.4172/2157-7560.1000369
H. Buttlar, M. Protschka, M. Muhsen, G. Köhler, H. Lang, G. Alber, M. Bttner, Sabine Siegemund
Objective: Promising vector vaccine candidates derive from parapoxvirus ovis (PPVO) strain D1701. Thorough analysis of their safety is therefore of great relevance. We investigated the safety of and the immune response induced by the reporter gene β-galactosidase-expressing vector PPVO D1701-VrV. It is important to define the life span of the vector in vaccinated hosts. We chose non-permissive mice for a first study of PPVO longevity and clearence. Methods: Mice were inoculated i.m. with a TCID50 of 106.5 PPVO D1701-VrV and with PBS into the quadriceps and contralateral quadriceps muscle, respectively. The muscles were analyzed for viral genome, infective virus particles and infiltrating leukocytes. Day 21 was fixed as a late vector virus clearance option. The immune cell content of the draining lymph nodes, IFN-γ production by in vitro restimulated splenocytes, and expression of β- galactosidase in myoblasts in vitro was characterized. Results: Upon i.m. application infective PPVO D1701-VrV particles were detectable at the inoculation site for at least seven days but cleared at the fixed late time point. Among the re-isolated vector virus aberrantly shaped PPVO particles were detected, but the reporter gene expression remained stable. The PPVO D1701-VrV-induced local immune activation was characterized by the presence of inflammatory infiltrates and, even more important for the priming capability of the viral vector, significantly enhanced numbers of CD11c+ B220- conventional DC, CD11c+ B220+ plasmacytoid DC, CD4+ T cells, CD8+ T cells, and B220+ B cells in the muscle-draining inguinal lymph nodes. Elevated interferon-gamma (IFN-γ) production by splenocytes of PPVO D1701-VrV-inoculated mice indicated a systemic immunostimulatory effect. The detection of β-galactosidase expression by inoculated myoblasts shows that PPVO D1701-VrV is able to enter murine myoblasts and express the foreign antigen. Conclusions: Our data support the safety of PPVO D1701 as a vector virus under non-permissive conditions.
目的:从禽副痘病毒(PPVO) D1701株中提取有希望的载体疫苗候选株。因此,对它们的安全性进行彻底的分析是非常重要的。我们研究了报告基因β-半乳糖苷酶表达载体PPVO D1701-VrV的安全性及其诱导的免疫应答。确定病媒在接种疫苗的宿主中的生命周期是很重要的。我们选择非允许小鼠进行PPVO寿命和清除的首次研究。方法:小鼠分别以106.5 PPVO D1701-VrV TCID50和PBS灌胃股四头肌和对侧股四头肌。对肌肉进行病毒基因组、感染病毒颗粒和浸润性白细胞的分析。第21天被固定为晚期载体病毒清除选项。观察引流淋巴结免疫细胞含量、体外再刺激脾细胞产生IFN-γ以及体外成肌细胞β-半乳糖苷酶的表达。结果:经体外注射后,接种部位至少可检出感染PPVO D1701-VrV颗粒,但在固定的晚时间点被清除。在重新分离的载体病毒中检测到形状异常的PPVO颗粒,但报告基因的表达保持稳定。PPVO d1701 - vrv诱导的局部免疫激活的特征是存在炎症浸润,更重要的是病毒载体的启动能力,显著增加了腹股沟肌肉引流淋巴结中CD11c+ B220-常规DC、CD11c+ B220+浆细胞样DC、CD4+ T细胞、CD8+ T细胞和B220+ B细胞的数量。PPVO d1701 - vrv接种小鼠脾细胞产生的干扰素γ (IFN-γ)升高表明具有全身免疫刺激作用。通过接种成肌细胞检测β-半乳糖苷酶的表达,表明PPVO D1701-VrV能够进入小鼠成肌细胞并表达外源抗原。结论:我们的数据支持PPVO D1701作为载体病毒在非许可条件下的安全性。
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引用次数: 0
Status of Argasid (Soft) Ticks (Acari: Parasitiformes: Argasidae) In Relation to Transmission of Human Pathogens 蜱(软)蜱(蜱螨目:寄生目:蜱科)与人类病原体传播的关系
Pub Date : 2017-09-21 DOI: 10.15406/IJVV.2017.04.00089
M. Sarwar
Ticks are distributed worldwide and have an enormous medical and veterinary importance owing to the direct damage they cause to their hosts, and especially because these are vectors of a large variety of human and animal pathogens. In fact, ticks are second to mosquitoes as vectors of human pathogens and the most important vectors of pathogens affecting cattle worldwide [1-3]. Tick species can be grouped in two main families, the Argasidae (soft ticks), and the Ixodidae (hard ticks). A third tick family, Nuttalliellidae, only has one species, Nuttalliella namaqua (represented by a monotypic species restricted to South Africa). These three families share common basic properties that are modified distinctively inside each family according to their particular behavior patterns and life-style [4]. They transmit a variety of pathogens of medical and veterinary interest, including viruses, bacteria, rickettsiae, helminthes, and protozoans, all of which are able to cause damage to livestock production and human health. The global threat of tick-borne diseases is increasing, with new pathogens identified continuously. In humans, tick infestations typically involve few specimens and the greatest risk for people bitten by a tick lies in infection due to tick-borne pathogens. Such pathogens are diverse and mainly include viruses, bacteria, and protozoa [5]. The most commonly observed human tick-borne diseases are reportedly Lyme disease, tick-borne encephalitis, Crimean-Congo hemorrhagic fever, Q fever, tularemia, and North-Asia tick-borne spotted fever. Epidemiologically important tick-borne diseases, such as human granulocytic anaplasmosis and severe fever with thrombocytopenia syndrome, have also emerged in recent years. The characterization of a new bunyavirus (associated with fever, thrombocytopenia and leukopenia syndrome) has prompted greater attention to ticks and tick-borne diseases [6].
扁虱分布在世界各地,由于它们对宿主造成直接损害,特别是因为它们是各种人类和动物病原体的载体,因此具有巨大的医学和兽医重要性。事实上,蜱是仅次于蚊子的人类病原体传播媒介,也是全世界影响牛的病原体最重要的传播媒介[1-3]。蜱类可分为两大科,软蜱科和硬蜱科。第三个蜱科,Nuttalliellidae,只有一个种,Nuttalliella namaqua(以一种仅限于南非的单型种为代表)。这三个家庭具有共同的基本属性,这些属性在每个家庭内部根据其特定的行为模式和生活方式进行了独特的修改[4]。它们传播各种医学和兽医感兴趣的病原体,包括病毒、细菌、立克次体、蠕虫和原生动物,所有这些都能够对畜牧业生产和人类健康造成损害。随着不断发现新的病原体,蜱传疾病的全球威胁正在增加。在人类中,蜱虫感染通常涉及很少的样本,被蜱虫叮咬的人最大的风险在于蜱传病原体的感染。这类病原体种类繁多,主要包括病毒、细菌和原生动物[5]。据报道,最常见的人类蜱传疾病是莱姆病、蜱传脑炎、克里米亚-刚果出血热、Q热、土拉热病和北亚蜱传斑点热。流行病学上重要的蜱传疾病,如人粒细胞无形体病和发热伴血小板减少综合征,近年来也出现了。一种新的布尼亚病毒(与发热、血小板减少和白细胞减少综合征相关)的特征引起了人们对蜱虫和蜱传疾病的更多关注[6]。
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引用次数: 7
Application of Wireless Temperature Monitors in Vaccine Clinical Trials and the Statistical Concerns Related to the Continuous Dependent Data 无线温度监测仪在疫苗临床试验中的应用及与连续依赖数据相关的统计问题
Pub Date : 2017-08-21 DOI: 10.4172/2157-7560.1000366
Qi Liang, Q. Dai, Yuemei Hu, Fangyue Meng, Jing-xin Li, F. Zhu
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引用次数: 0
Preliminary Study on Restoration of the Immunization System of the Democratic Peoplesâ Republic of Korea after Reunification 统一后民主主义大韩民国免疫制度恢复初探PeoplesâÂÂ
Pub Date : 2017-08-19 DOI: 10.4172/2157-7560.1000365
Seulki Song, J. Bang
According to the ‘Immunization Summary’ published by the United Nations Children’s Fund (UNICEF) and the World Health Organization (WHO), the number of infants who died within one year of life in 2013 was 8,000 in North Korea (Democratic Peoples’ Republic of Korea, DPRK) and 1,000 in South Korea (Republic of Korea, ROK) [1]. The number of infant deaths per 1,000 in DPRK is 22, the number of infant deaths under the age of 5 is 27, while ROK is 3 and 4, respectively.
根据联合国儿童基金会(儿基会)和世界卫生组织(世卫组织)发布的“免疫摘要”,2013年朝鲜(朝鲜民主主义人民共和国)一年内死亡的婴儿人数为8000人,韩国(大韩民国,韩国)为1000人[1]。朝鲜每1 000名婴儿死亡人数为22人,5岁以下婴儿死亡人数为27人,而韩国分别为3人和4人。
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引用次数: 0
Immunocyto chemical Reactions in the Brittle-Star: Ophiocomina Nigra after Immunization 免疫后黑麻的免疫细胞化学反应
Pub Date : 2017-08-07 DOI: 10.15406/IJVV.2017.04.00088
Michel Leclerc Henrik
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引用次数: 1
期刊
Journal of Vaccines and Vaccination
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