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36 Cards in this Set
- Front
- Back
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Adenoviruses |
nonenveloped respiratory infections in adults second biggest cause of severe diarrhea in infants |
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Papoviruses |
nonenveloped tumorigenic examples: polyomaviruses and human papillomavirus (HPV) human wart virus causes cervical cancer |
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Parvoviruses |
non enveloped anemia in immunocompromised patients "B19" can cross the placenta and cause anemia or heart failure in a fetus |
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hepadnaviruses |
enveloped cause chronic liver infections that can become cancerous Hepatitis B virus (HBV) |
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HBV |
transmitted by body fluids, contaminated needs, and from mother to child during vaginal birth |
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Herpesviruses |
enveloped Herpes simplexvirus Varicella-zoster Epstein-Barr Cytomegalovirus |
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Herpes simpexvirus |
cold sore (HHV-1) genital herpes (HHV-2) |
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Varicella-zoster |
chickenpox/shingles (HHV-3) |
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Epstein-Barr |
mononucleosis and Burkitt's lymphoma/nasopharyngeal cancer (HHV-4) |
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cytomegalovirus (CMV) |
HHV-5
gastric and respiratory diseases in immunocompromised people |
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Poxviruses |
enveloped larger than most viruses (visible with light microscope) orthopoxvirus |
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orthopoxvirus |
causes pus-filled skin lesions smallpox (eradicated) cowpox |
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Picornaviruses |
(+) sense; non enveloped poliovirus rhinovirus Hepatitis A virus (HAV) |
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poliovirus |
poliomyelitis (polio) nearly eradicated, but epidemics still occur |
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rhinovirus |
common cold (blue virions) |
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Hepatitis A virus (HAV) |
transmitted through feces-contaminated food/water and affects liver |
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coronaviruses |
(+) sense; enveloped causes upper respiratory infections - severe acute resp. synd. (SARS) - middle east resp. synd. (MERS) |
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Flaviviruses |
(+) sense; enveloped transmitted by arthropod vectors - hepatitis C virus (HCV) |
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arthropod vectors |
yellow fever (hemorrhagic) dengue and west nile viruses |
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hepatitis C virus (HCV) |
most common cause of chronic hepatitis. |
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togaviruses |
(+) sense; enveloped alphavirus rubella virus (german measles) |
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alphaviruses |
transmitted by arthropod vectors, such as mosquitoes and ticks, or person-to-person |
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retroviruses |
two identical (+) sense strands; enveloped oncogenic use reverse transcriptase to produce DNA from RNA genome HIV |
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Filoviruses |
(-) sense; enveloped transmitted through body fluids and contaminated needles - ebola |
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orthomyxoviruses |
(-) sense; enveloped genome segmented into RNA strands - influenza A and B |
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influenza virus A |
infects humans and other mammals and birds |
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influenza virus B |
infects humans only |
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paramyxoviruses |
(-) sense; enveloped viral pneumonia measles mumps |
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Phabdoviruses |
(-) sense; enveloped bullet-shaped cause numerous animal diseases rabies |
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reoviruses |
double stranded RNA non enveloped rotavirus |
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Rotavirus |
mild respiratory infections and gastroenteritis in adults most common cause of severe (life-threatening) diarrhea in babies |
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Prions |
infectious proteins prion disease can be inherited transmitted by ingestion or contaminated nerve tissue transplants and surgical instruments. manifested as spongiform encephalopathies |
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human spongiform encephalopathies |
Creutzfeldt-Jakob disease, Kuru, and Gerstmann-Straussler scheinker syndrome |
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animal spongiform encephalopathies |
sheep scrapie, chronic wasting disease, and mad cow disease (bovine spongiform encephalopathy) |
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PrPc |
normal cellular prion proteins found on neuron surface |
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PrPsc |
scrapie protein; aggregates in brain cells, forming plaques and causing brain tissue to have a spongy appearance |
