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Virology lectures
Virology
Question | Answer |
---|---|
Baltimore type I | dsDNA |
Baltimore type II | ssDNA |
Baltimore type III | dsRNA |
Baltimore type IV | +ssRNA --> -ssRNA |
Baltimore type V | -ssRNA |
Baltimore type VI | +ssRNA --> -ssDNA |
Rotavirus | severe gastroenteritis in infants (6mo-2yr) viral NSP4 protein acts as an enterotoxin high genetic variability: segmented dsRNA genome and RNA-dependent RNA polymerase vaccines available |
Norovirus | gastroenteritis: adults and school-age children, food-borne, cruise-ships environmentally stable virus high genomic variability no lasting immunity no vaccine available |
Astrovirus | gastroenteritis in infants (less severe than rota), elderly and immunocompromised |
Adenovirus | multiple strains, enteric, respiratory, ocular infections, systemic infections severe dz in immunocompromised |
Rhinovirus | picornavirus family 50% of common colds |
Coronavirus | 2nd most prevalent cause of common colds SARS |
Paramyxovirus family | Parainfluenza virus Respiratory syncytial virus Metapneumovirus Measles, Mumps, Rubella Viruses Hendra and Nipah |
Parainfluenza virus | croup |
Respiratory syncytial virus | severe lower respiratory dz in infants very contagious no vaccine, antiviral therapies avail. |
Metapneumovirus | similar to RSV, less severe |
Measles and mumps viruses | systemic infection effective vaccine available |
Hendra and Nipah Viruses | newly emerging, animal reservoirs |