Asymptomatic Shedding of Herpes Simplex Virus 1 and 2: Implications for Prevention of Transmission
Department of Internal Medicine, University of New Mexico, Albuquerque.The Journal of Infectious Diseases (Impact Factor: 6). 10/2008; 198(8):1098-100. DOI: 10.1086/591914
- Sexually transmitted diseases 10/2009; 36(11):729-31. DOI:10.1097/OLQ.0b013e3181c04dea · 2.84 Impact Factor
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ABSTRACT: Testing for herpes simplex virus type 2 (HSV-2) antibody is not common in clinical practice. Client characteristics associated with HSV-2 rapid antibody test uptake and test positivity were analyzed in clients attending an urban sexually transmitted disease clinic. This optional test was available for $30. The HerpeSelect Express assay was performed on serum. Demographic and behavioral characteristics were compared between clients who requested testing and those who did not and between those who were HSV-2 antibody positive and negative. In 4 months, 3498 individuals attended the clinic and 443 (12.7%) opted for HSV-2 testing. Clients who were black, younger, or female were less likely to request testing. Recent sexual behavior and self-reported sexual orientation were not associated with uptake of testing. Of the 442 clients with results available, 109 were positive for HSV-2 antibody (24.7%). Women were significantly (P <0.001) more likely to test positive; 42 of 111 (38.4%) versus only 67 of 331 (20.2%) men. A positive HSV-2 antibody test was also associated with increasing age and black race. There was an association with the number of partners in the last 30 days, but no association with the number of partners in the last year. Of the 109 clients who had a positive HSV-2 antibody test, 71 (64.5%) accepted a prescription for suppressive acyclovir therapy. Uptake of testing was modest in this population, especially among the highest risk individuals, possibly due to the cost of the test. Improved education regarding HSV-2 and subsidized testing may be needed in the populations that have the highest prevalence in order to encourage testing.Sexually transmitted diseases 10/2009; 36(11):724-8. DOI:10.1097/OLQ.0b013e3181bc9a2f · 2.84 Impact Factor
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ABSTRACT: Herpes simplex virus (HSV) infections are common but there is no vaccine available. We evaluated cationic liposome-DNA complexes (CLDC) as an adjuvant for an HSV gD2 vaccine and compared it to an MPL/Alum adjuvant in a guinea pig model of genital herpes. The addition of CLDC to the gD2 vaccine significantly decreased acute and recurrent disease and most importantly the number of days with recurrent virus shedding compared to gD2 alone. Reductions in these outcomes were also detected when gD2+CLDC was compared to gD2+MPL/Alum. When the vaccine and adjuvants were evaluated as therapeutic vaccines, they were ineffective. CLDC enhanced protection compared to MPL/Alum and is the first vaccine to reduce recurrent virus shedding, a key to decreasing the spread of HSV-2.Vaccine 10/2009; 28(21):3748-53. DOI:10.1016/j.vaccine.2009.10.025 · 3.62 Impact Factor
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