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MSM. 2003 HIV positive 17 % 2005 HIV positive 28 % 2007 HIV positive 32 %. HIV prevalence among MSW Bangkok, Chiang Mai and Phuket, 2005–2007. HIV-1 Seroprevalence of Royal Thai Army Conscripts, 1991-2009. Percent Seroprevalence. Year. Sources: Army Institute of Pathology

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MSM

  • 2003 HIV positive 17 %

  • 2005 HIV positive 28 %

  • 2007 HIV positive 32 %


Hiv prevalence among msw bangkok chiang mai and phuket 2005 2007
HIV prevalence among MSWBangkok, Chiang Mai and Phuket, 2005–2007


HIV-1 Seroprevalence of Royal Thai Army Conscripts, 1991-2009

Percent Seroprevalence

Year

Sources: Army Institute of Pathology

Armed Forces Research Institute of Medical Sciences, RTA


HIV-1 Incidence among RTA 1991-2009

Conscripts from 2005 – 2009

Sources: Armed Forces Research Institute of Medical Sciences, RTA


HIV Incidences at Time of Entry into Royal Thai Army, 2005-2009

Sources: Armed Forces Research Institute of Medical Sciences, RTA


Median HIV Prevalence and BED Adjusted Incidence 2005-2009 among ANC Pregnant Women in Sentinel Provinces

Median prevalence

(% per year)

BED adjusted incidence

(% per year)


Median HIV Prevalence and BED Adjusted Incidence among Direct Sex Workers

Median prevalence

(% per year)

BED adjusted incidence

(% per year)


Median HIV Prevalence and BED Adjusted Incidence among indirect Sex Workers

Median prevalence

(% per year)

BED adjusted incidence

(% per year)


Bed ceia results
BED-CEIA Results indirect Sex Workers


Bed ceia results cont
BED-CEIA Results indirect Sex Workers(cont.)


11 indirect Sex Workers

Improving HIV prevention

  • Do better with the strategies that we already have

  • Develop new biomedical technologies to prevent HIV

  • Adopt a more comprehensive approach to HIV prevention



Turning to antiretrovirals for prevention
Turning to antiretrovirals for prevention indirect Sex Workers

The use of antiretrovirals for prevention by…

HIV-positive individuals to reduce their risk of transmitting HIV

Treatment as prevention

HIV-negative individuals to reduce their risk of infection

Post-exposure prophylaxis (PEP)

Pre-exposure prophylaxis (PrEP)

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What is pre exposure prophylaxis prep
What is pre-exposure prophylaxis (PrEP)? indirect Sex Workers

  • Pre

     Before (and after)

  • Exposure

     When a fluid containing HIV comes into contact with mucous membranes or non-intact skin

  • Prophylaxis

     An action taken to prevent infection or disease


How does prep work
How does PrEP work? indirect Sex Workers

  • Infection does not occur instantly after an exposure to HIV

    • The virus needs to spread throughout the body

    • This may take up to 3 days after the exposure

  • The “window of opportunity” for PrEP

    • The brief period of time - after an exposure - where HIV has not yet spread throughout the body

    • During this time, PrEP may be able to stop HIV from causing an infection

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