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DNA viruses

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Terms in this set (5)

  • Orthopox virus

    Small pox virus. •Produces lesions that progress

    •Macules –flat and reddened

    •Papules-raised sores

    •vesicles-lesions filled with clear liquid

    •Pustules-pus-filled lesions, pox

  • Simplex virus

    •Herpes Type I-fever blisters

    •Herpes Type II-genital infections

    •Usually transmitted between mucous membranes. Inactive viruses may reactivate as the result of aging, chemotherapy, physical or emotional stress. 

    •Infections are age specific, most occur during childhood via casual contact.

  • Epstein-Barr Virus

    Epstein-Barr virus, or EBV, is one of the most common human viruses in the world. EBV is also known as human herpesvirus 4 and is a member of the herpes virus family.

    Most people will get infected with EBV in their lifetime.

    EBV is the most common cause of infectious mononucleosis.

  • Papilloma virus

    •More than 100 strains of Papilloma virus cause warts. Some strains integrate into the host cell chromosome, possible triggering oncogenes and inducing cancer. Papillomaviruses infect the skin through  cuts and abrasions and are transmitted by direct contact.

  • Orthohepadna virus

    •HBV replicates in liver cells and is released by exocytosis so infected cells serve as a source for continual release of virions.

    •Virions from the blood are shed in saliva, semen and vaginal secretions.

    •May also be transmitted through needles, razors and toothbrushes.