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Neg strd RNA viruses
Question | Answer |
---|---|
paramyxoviridae exemples | parainfluenza, mumps, measles, repiratory syncytial virus |
paramyxoviridae transmission | large droplets aerosol |
paramyxoviridae important proteins | RNA polymerase, HN/H/G (hemagglitinin-neuraminidase), Fusion protein, Matrix protein |
Fusion protein role | stimulate fusion of viral envelope and cell membrane=fusion of infected host cells (syncitia formation) |
3 Parainfluenza viruses symptoms | cold-like, bronchiolitis, croup (seal like barking) |
Mumps clinical symptoms | inflammation and enlargement of salivary glands (but systemic infection) |
Measles incubation time | 10-14 days |
Measles symptoms | fever, cough, conjunctivitis, sore throat, rash (diffuse and macular), Koplik's spots. Serious complicaitons: encephalitis and SSPE-subacute sclerosing panencephalitis) |
Respiratory syncytial virus (RSV) symptoms | bronchiolitis (75%) and pneumonia |
Rhabdoviridae disease: | rabies |
Rabies symptoms | acute, fatal viral inflammation of the brain, death by respiratory paralysis |
post mortem diagnosis for rabies | direct fluorescent antibody test (100%), negri bodies in cerebellum Purkinje cells (50%) |
Filoviridae viruses | Marburg and Ebola |