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全国重大传染病防控高峰论坛会议纪要 被引量:3
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作者 施明 金磊 张政 《传染病信息》 2016年第4期253-255,共3页
2016年6月25日至26日,全国重大传染病防控高峰论坛暨全军传染病第十四次学术会议与中国研究型医院学会感染病学专业委员会第一届学术年会在北京隆重召开。来自全国和全军300多位代表参加了此次盛会。本次大会由中国研究型医院学会感染... 2016年6月25日至26日,全国重大传染病防控高峰论坛暨全军传染病第十四次学术会议与中国研究型医院学会感染病学专业委员会第一届学术年会在北京隆重召开。来自全国和全军300多位代表参加了此次盛会。本次大会由中国研究型医院学会感染病学专业委员会、全军传染病学专业委员会、中华医学会医学病毒学分会和全军微生物学专业委员会共同主办。 展开更多
关键词 新发传染病和未来传染病 热带传染病与突发传染病 病毒性肝炎 艾滋病治疗与免疫重建 国际维和与疾病防控
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《传染病病人或疑似传染病病人尸体解剖查验规定》出台
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《柳州医学》 2005年第2期92-92,共1页
为及时查明传染病病因,提高传染病诊疗水平.有效控制传染病流行,防止疫情扩散,卫生部近日发布第43号卫生部令《传染病病人或疑似传染病病人尸体解剖查验规定》,并自今年9月1日起施行,
关键词 传染病病人或疑似传染病病人尸体解剖查验规定》 传染病 病因 流行病学
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病理学为控制传染病蔓延助力
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作者 孟莛 《中国卫生人才》 2020年第5期12-16,共5页
2月16日,一篇名为《从SARS尸体解剖发现,浅析冠状病毒性疾病-19(COVID-19)》的论文投到了《中华病理学杂志》,2月18日便被预出版。文章的作者之一,完成世界首例SARS尸检的南方医科大学(原中国人民解放军第一军医大学)病理学系/南方医科... 2月16日,一篇名为《从SARS尸体解剖发现,浅析冠状病毒性疾病-19(COVID-19)》的论文投到了《中华病理学杂志》,2月18日便被预出版。文章的作者之一,完成世界首例SARS尸检的南方医科大学(原中国人民解放军第一军医大学)病理学系/南方医科大学南方医院病理科原主任、博士研究生导师丁彦青对这样的发表速度有些惊喜. 展开更多
关键词 病理学 南方医科大学 传染病病人或疑似传染病病人尸体解剖查验规定 丁彦青 病理医师 病理科
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“轻粉散”治牛羊传染性角膜结膜炎
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作者 刘香升 《今日畜牧兽医》 1996年第4期27-27,共1页
牛羊传染性角膜结膜炎是一种急性传染病,多发生于天气炎热季节,牛羊群居更易暴发流行。
关键词 牛羊传染性角膜结膜炎是一种急性传染病 多发生于天气炎热季节 牛羊群居更易暴发流行.本病的特征为眼结膜和角膜发生明显的炎症变化 大量流泪 进而发生角膜混浊 呈乳白色.当发现本病后应立即采取隔离消毒措施 对患畜抓紧治疗.笔者近几年应用轻粉散治疗本病患牛127例、羊549例 治愈率达99% 介绍如下:
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HBV在卵巢组织及卵细胞中复制的实验研究 被引量:2
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作者 金燕 邱婷 +3 位作者 吕颐菲 闫春英 王雪 刘贵生 《陕西医学杂志》 CAS 2015年第7期787-790,共4页
目的:寻找寻找卵细胞感染HBV的直接证据及影响因素。方法:检测卵巢及卵细胞中HBcAg、HBV DNA和HBV mRNA的分布情况。研究血清中HBeAg阳性和HBV DNA水平与HBV感染卵巢及卵细胞的关系。结果:在卵巢颗粒细胞和卵细胞内发现了HBcAg、HBV DNA... 目的:寻找寻找卵细胞感染HBV的直接证据及影响因素。方法:检测卵巢及卵细胞中HBcAg、HBV DNA和HBV mRNA的分布情况。研究血清中HBeAg阳性和HBV DNA水平与HBV感染卵巢及卵细胞的关系。结果:在卵巢颗粒细胞和卵细胞内发现了HBcAg、HBV DNA、HBV mRNA分布。血清HBeAg与否和HBV DNA水平高低与卵巢及卵细胞中HBcAg、HBV DNA、HBV mRNA阳性率无关。结论:HBV可以在卵巢和卵细胞内复制,这意味着被感染的卵细胞一旦受精成功就很有可能将HBV带入胚胎发生垂直传播。血清HBeAg与否和HBV DNA水平与卵巢及卵细胞感染HBV无关。 展开更多
关键词 乙型肝炎病毒 卵子 病毒复制 传染病传染 垂直
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应用实例在高等代数教学中的作用 被引量:3
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作者 曹慧 周蕊 蔺小林 《大学数学》 2015年第3期122-126,共5页
针对学生难以理解高等代数中的基本概念,在高等代数的教学过程中,结合具体教学内容加入一些应用实例帮助学生更好的理解相关概念和体会数学的广泛应用.以讲述矩阵特征值和特征向量为例,除讲解基本概念和计算方法外,结合自己的研究工作... 针对学生难以理解高等代数中的基本概念,在高等代数的教学过程中,结合具体教学内容加入一些应用实例帮助学生更好的理解相关概念和体会数学的广泛应用.以讲述矩阵特征值和特征向量为例,除讲解基本概念和计算方法外,结合自己的研究工作介绍了人口模型和传染病模型,给学生展示了特征值和特征向量应用的例子,使得学生对特征值和特征向量有了更深入的理解. 展开更多
关键词 矩阵 特征值 人口模型 传染病传染
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日本动物检疫概况
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作者 王水明 《中国检验检疫》 2001年第2期45-46,共2页
关键词 日本 动物检疫 《家畜传染病预防法》 《狂犬病预防法》 传染病传染病人有关的预防法》
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Investigation on the Maternal-Infantile Infection with Human Parvovirus B19
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作者 王净 窦骏 +3 位作者 过志君 许桦 任慕兰 蒋黎 《Journal of Microbiology and Immunology》 2004年第2期111-114,共4页
To investigate the maternal-infantile infection with human parvovirus B19, the IgG and IgM antibodies against human parvovirus and the B19-DNA in serum and peripheral blood mononuclear cells (PBMC) of pregnant women a... To investigate the maternal-infantile infection with human parvovirus B19, the IgG and IgM antibodies against human parvovirus and the B19-DNA in serum and peripheral blood mononuclear cells (PBMC) of pregnant women as well as the serum IgM antibody against B19 and the B19-DNA in serum and cord blood nucleated cells (CBNC) of newborns were determined by ELISA and nested PCR respectively. It was found that the positive rate of the IgG antibody against human parvovirus B19 in sera of 92 pregnant women was 38.04% (35/92), and that of the IgM antibody in 720 pregnant women was 9.03% (65/720). However, the IgM antibody against human parvovirus B19 was negative in the cord blood sera of 95 newborns. As to the human parvovirus B19 DNA, none of 720 pregnant women and 95 newborns was proved to be positive in their sera. Nevertheless, the positive rate of the parvovirus B19 DNA in PBMC was 3.06% (3/98) in 98 pregnant women and 1.12% (1/89) in CBNC of 89 newborns. It is concluded that the history of infection with human parvovirus B19 exists in certain pregnant women with a small percentage of pregnant women infected with recent or acute infections of B19 virus. The detection rates of the B19 viral DNA in PBMC of pregnant women and CBNC of newborns were higher than those in sera, indicating that the risk for vertical transmission is very low. 展开更多
关键词 Human parvovirus B19 Maternal-infantile infection Peripheral blood mononuclear cells Cord blood nucleated cells Vertical transmission
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Impact of global change on transmission of human infectious diseases 被引量:8
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作者 WU XiaoXu TIAN HuaiYu +2 位作者 ZHOU Sen CHEN LiFan XU Bing 《Science China Earth Sciences》 SCIE EI CAS 2014年第2期189-203,共15页
Global change,which refers to large-scale changes in the earth system and human society,has been changing the outbreak and transmission mode of many infectious diseases.Climate change affects infectious diseases direc... Global change,which refers to large-scale changes in the earth system and human society,has been changing the outbreak and transmission mode of many infectious diseases.Climate change affects infectious diseases directly and indirectly.Meteorological factors including temperature,precipitation,humidity and radiation influence infectious disease by modulating pathogen,host and transmission pathways.Meteorological disasters such as droughts and floods directly impact the outbreak and transmission of infectious diseases.Climate change indirectly impacts infectious diseases by altering the ecological system,including its underlying surface and vegetation distribution.In addition,anthropogenic activities are a driving force for climate change and an indirect forcing of infectious disease transmission.International travel and rural-urban migration are a root cause of infectious disease transmission.Rapid urbanization along with poor infrastructure and high disease risk in the rural-urban fringe has been changing the pattern of disease outbreaks and mortality.Land use changes,such as agricultural expansion and deforestation,have already changed the transmission of infectious disease.Accelerated air,road and rail transportation development may not only increase the transmission speed of outbreaks,but also enlarge the scope of transmission area.In addition,more frequent trade and other economic activities will also increase the potential risks of disease outbreaks and facilitate the spread of infectious diseases. 展开更多
关键词 global change infectious disease natural factors human activities
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Cryo-EM structures of infectious bursal disease viruses with different virulences provide insights into their assembly and invasion 被引量:3
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作者 Keyan Bao Xiaole Qi +3 位作者 Yan Li Minqing Gong Xiaomei Wang Ping Zhu 《Science Bulletin》 SCIE EI CSCD 2022年第6期646-654,M0004,共10页
Infectious bursal disease virus(IBDV)causes a highly contagious immunosuppressive disease in chickens,resulting in significant economic losses.The very virulent IBDV strain(vvIBDV)causes high mortality and cannot adap... Infectious bursal disease virus(IBDV)causes a highly contagious immunosuppressive disease in chickens,resulting in significant economic losses.The very virulent IBDV strain(vvIBDV)causes high mortality and cannot adapt to cell culture.In contrast,attenuated strains of IBDV are nonpathogenic to chickens and can replicate in cell culture.Although the crystal structure of T=1 subviral particles(SVP)has been reported,the structures of intact IBDV virions with different virulences remain elusive.Here,we determined the cryo-electron microscopy(cryo-EM)structures of the vvIBDV Gx strain and its attenuated IBDV strain Gt at resolutions of 3.3 Å and 3.2 Å,respectively.Compared with the structure of T=1 SVP,IBDV contains several conserved structural elements unique to the T=13 virion.Notably,the Nterminus of VP2,which is disordered in the SVP,interacts with the S_(F) strand of VP2 from its neighboring trimer,completing theβ-sheet of the S domain.This interaction helps to form a contact network by tethering the adjacent VP2 trimers and contributes to the assembly and stability of the IBDV virion.Structural comparison of the Gx and Gt strains indicates that H253 and T284 in the VP2 P domain of Gt,in contrast to Gx,form a hydrogen bond with a positively charged surface.This suggests that the combined mutations Q253 H/A284 T and the associated structural electrostatic features of the attenuated Gt strain may contribute to adaptation to cell culture.Furthermore,a negatively charged groove in VP2,containing an integrin binding IDA motif that is critical for virus attachment,was speculated to play a functional role in the entry of IBDV. 展开更多
关键词 Infectious bursal disease virus Very virulent strain Attenuated strain Cryo-EM structures
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