1、Respiratory virusesRespiratory viruses 问题呼吸道病毒感染呼吸道病毒种类流感病毒(Influenza Virus)生物学性状n80-120 nmn8 Structural proteins:uGlycoproteinsvHA(H1-H15)vNA(N1-N9)uM1,M2u8 nucleocapsid segmentsvRNA,NP,PB1,PB2,PAnHA-attachment to receptors,initiationnNA-degradation of receptors,release主要抗原结构核糖核蛋白(RNP)血凝素(Hemagglut
2、inin,HA)神经氨酸酶(Neuraminidase,NA)抗原变异机制Influenza pandemics associated with antigenic shiftEpidemicwhere do“new”HA and NA come from?where do“new”HA and NA come from?why do we not have influenza B pandemics?致病性Influenza natural course微生物学诊断Specimens:throat swabs,NPS,nasal aspirates,sputumCulture:convent
3、ional,rapidDirect detection(EIA,IF,PCR)Serologic response:4-fold or greater rise in IgG titers预防金刚烷胺NA Inhibitor副粘病毒(Paramyxoviruses)副粘病毒共同性状 麻疹病毒(Measles Virus)viremiaMEASLES-Kopliks spotsMurray et al.Medical Microbiology Kopliks spotsMEASLES-RASHCDC-B.RiceMurray et al.Medical Microbiology 副流感病毒呼吸道合胞病毒(RSV)Respiratory Syncytial VirusMumps virus(腮腺炎病毒)(腮腺炎病毒)腮腺炎病毒(Mumps virus)发现史型别与分组致病性腺病毒引起的主要疾病swimming pool conjunctivitis免疫性微生物学诊断预防风疹病毒(Ruella virus)Rhinovirus(鼻病毒)(鼻病毒)冠状病毒 Coronavirus,CoV重症急性呼吸综合症冠状病毒SARS Coronavirus,SARS CoVSARS症状生物学性状SARS GenomeSARS传播和流行中国的SARS流行诊断预防Reovirus(呼肠孤病毒呼肠孤病毒)