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6 Cards in this Set
- Front
- Back
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Describe the adenovirus
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DNA; non-enveloped; double-stranded (DS) liner
febrile pharyngitis-sore throat; acute hemorrhagic cystitis pneumonia conjunctivitis-pink eye (watery) |
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Describe the epstein barr virus (EBV)
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herpesvurus; DNA; enveloped; DS linear
causes mononucleosis; infects B cells fever, hepatosplenomegaly, pharyngitis, lymphadenopathy (posterior cervical nodes); peak incidence 15-20 years old (peak kissing years) reactive circulating cytotoxic T cells (atypical lymphocytes) react to EBV-infected cells associated w/ development of Hodgkin's and Burkitt's lymphomas and nasopharyngeal carcinoma positive Monospot test-heterophile Abs detected by agglutination of sheep RBCs |
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Describe the rhinovirus
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picornavirus; RNA; non-enveloped; single-stranded (SS) + linear; icosahedral
cause of common cold; >100 serologic types Acid labile (destroyed by stomach acid); doesn't infect GI tract |
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Describe the coronaviridae
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RNA virus; enveloped; SS + linear; helical
common cold and SARS |
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Describe the paramyxovirus
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RNA virus; enveloped; SS (-) linear; nonsegmented; helical
cause disease in children: 1. parainfluenza (croup)-seal like barking cough 2. mumps 3. measles (rubeola) 4. RSV-causes respiratory tract infections (bronchiolitis, pneumonia) in infants contain surface F (fusion) protein which causes respiratory epithelial cells to fuse and form multinucleated cells |
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Describe the measles (rubeola) virus
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paramyxovirus; RNA; enveloped; SS (-) linear; nonsegmented; helical
causes measles; Koplik spots (red spots w/ blu-white center on buccal mucosa) are diagnostic possible sequalae-SSPE, encephalitis, giant cell pneumonia rash presents lasts, spreads from head to toe, includes hands and feet 3 Cs of measles-cough, coryza, conjunctivitis (and Koplik spots) |
