Viral load and the risk of transmission

This section will examine studies covering:

  • The link between viral load as measured in the blood, and the risk of sexual transmission.
  • The effect of antiretroviral treatment on transmission risk.
  • The effect of viral load and antiretroviral treatment on the risk of HIV transmission from a mother to her infant.
  • The role of primary infection.
  • The relationship between blood viral load and that in the semen, cervix/vagina and rectum.
  • What experts have said regarding viral load, antiretroviral treatment, and how to advise individuals.
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