MIC 541-Exam 5-Virology 19
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What is the prevalence of Polyomaviruses?
Highly seroprevalent throughout the world
What are the most common syptoms fo r Polyomaviruses?
Asymptomatic or very mild symptoms
What group are Polyomaviruses associated with?
- Elderly and AIDS
- Transplant recipients
What type of virus has been newly discovered in Raccoons at UC Davis?
What is the seroprevalence of JC virus?
What does JC virus cause?
Progressive multifocal leukoencephalopathy (PML)
Describe multifocal leukoencephalopathy:
- Caused by JC virus
- Associated with AIDS patients/monoclonal antibody recipients
What is BK virus?
- Infection in reneal transplants causing urinary dysfunction
What is the seroprevalance of BKV?
What is Merkel cell polyomavirus?
- Rare skin tumor found in elderly and immunosupressed
- found in 80% of tumors
- Notably, viral DNA is integrated
Describe the general characteristics of the Prvovirus:
- Single stranded DNA
- Small diameter and genome
What does Parvovirus cause?
- Distemper in cats
- Enteric disease in dogs
- fatal cardiac infection in puppies
- erythema infectiosum rash in childhood
Parvovirus B19 causes what?
- erythema infectiosum (fifth diease)
- Childhood rash
What are the symptoms of erythema infectiosum?
- Children may have a fever and rash on cheeks
- Sevee fatal anemia may result if fetus acquired it from its mother
What is Hydrops fetalis?
Severe fatal anemia of fetus acquired from mother
What is the occurance of Hydrops fetalis?
What is the treatment of Hydrops fetalis?
What disease causes "slapped face" appearance in children?
Erythema infectiosum caused by B19 parvovirus
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