Parvovirus

Parvovirus

Parvovirus Parvovirus Smallest virus. Not a cultivable virus Nonenveloped icosahedral virus  Roughly spherical, with surface protrusions Single stranded D.N.A. Pathogenesis of parvovirus Affects erythroid progenitors. Cellular receptors for parvovirus Blood group P antigen P antigen is expressed on:  mature erythrocytes erythroid progenitors megakaryocytes endothelial cells placenta fetal liver cells. Replicates primarily in erythroid progenitors: bone marrow fetal liver […]

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Parvovirus

Parvovirus Q. 1 Which of the following viruses cause an acute febrile rash and produces disease in immunocompetent children but has been associated with transient aplastic crises in persons with sickle cell disease?  A Rubella  B Varicella- zoster  C Parvovirus  D Rubella Q. 1 Which of the following viruses cause an acute febrile rash and

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