Herpesvirus Infections

Herpesvirus Infections - Herpesvirus Infections - Herpes...

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Herpesvirus Infections - Herpes simplex, type I, type II I - Recurrent fever blisters; II - Genital herpes. Either virus can cause either infection. Virulence: Invades m.m. ulcer-like lesion Transmission: Direct contact, rarely indirect Type I : Transmitted by oral nasal secretions P/E: Oral m.m., skin Disease: Painful vesicular lesions on m.m., skin shallow ulcer self limiting, heals in 2-3 wks. Virus remains in state of lysogeny in trigeminal nerve ganglia. Can be reactivated by trauma, UV, hormonal changes, etc. Type II : Transmitted by sexual intercourse P/E: genital m.m., skin Disease: Painful vesicular lesion occurring on m.m., skin of genitalia, vagina small ulcer, self limiting, heals in several weeks. Virus remains in latent state in spinal ganglia. Can be reactivated by hormonal changes, stress, febrile illness, etc. Complication: Herpes encephalitis (neonatal herpes ) in newborn. Can be transmitted to newborn in nursery by worker with fever blister, or from infected
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This note was uploaded on 01/23/2012 for the course MCB MCB2010 taught by Professor Smith during the Fall '09 term at Broward College.

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Herpesvirus Infections - Herpesvirus Infections - Herpes...

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