呼吸道病毒、胃肠道病毒.ppt

SARS-CoV Clinical features X线片出现单侧或双侧肺部阴影 呼吸窘迫、呼吸衰竭 Characteristic properties of common respiratory viruses viruses Shape and strecture No.of serotypes diseases Diameter (nm) Nucleic acid Envelope H,N Influenza virus 80-120 ssRNA + variable 3 Influenza, Common cold, Bronchitis Parainflu-enza virus 120-200 ssRNA + ? 4 Common cold Croup Pneumonia Measles virus 120-150 ssRNA + H(+) N(-) 1 Measles, SSPE Mumps virus 100-200 ssRNA + ? 1 Mumps, Meningitis, Orchitis Respiratory syncytial virus 125-250 ssRNA + _ 1 Bronchiolitis, Pneumonia Rubella virus 60-70 ssRNA + ? 1 rubella and CRS Rhino- virus 28-30 ssRNA _ ? 110 Common cold Corona- virus 80-100 ssRNA + ? 3 Common cold Reovirus 60-90 dsRNA _ ? 3 Upper resp. tract infection, diarrhea Adeno- virus 70-90 dsDNA _ ? Acute resp. disease, Pneumonia, diarrhea, Conjunctivitis 100 Koplik斑 measles Mumps follicular conjunctivitis adenovirus Respiratory viruses Influenza virus -ssRNA Influenza (segmented) Measles virus –ssRNA Measles (SSPE) Mumps virus -ssRNA Mumps Parainfluenza virus -ssRNA Common cold, Croup Adenovirus dsDNA Pharyngoconjunctival fever, etc Rubella virus +ssRNA Rubella (congenital rubella syndrome) Respiratory syncytial -ssRNA Bronchiolitis, pneumonia virus (the most important cause of lower respiratory tract disease in infants and young children) Rhino virus +ssRNA Common cold Coronavirus +ssRNA Common cold SARS-CoV +ssRNA