Medicine & USMLE

Retrovirus

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Viruses - RNA Viruses
  1. HIV: Microbiology and Characteristics
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  16. St. Louis Encephalitis and West Nile Virus
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  20. Retrovirus
  21. Coronavirus
  22. Orthomyxovirus
  23. Paramyxovirus
  24. Respiratory Syncytial Virus (RSV)
  25. Parainfluenza Virus (Croup)
  26. Measles
  27. Mumps
  28. Rhabdovirus
  29. Filovirus
  30. Arenavirus
  31. Bunyavirus
  32. Deltavirus

Key Points

  • Retroviruses
    • Characteristics
      • RNA viruses
        • replicate in the nucleus of cells
          • unlike most RNA viruses, which replicate in the cytoplasm
        • Single-stranded
      • + sense
      • Linear chromosome
      • 2 copies of genome (diploid)
      • Enveloped
      • Capsid is icosahedral (HTLV) or conical (HIV)
      • possesses reverse transcriptase
  • Medical importance