It presents a number of techniques for reducing this elevated risk of HIV.

Some studies suggest route of HIV acquisition and sexual role can influence set point viral loads.

HIV Risk Per-Act and Per-Partner

The per-act risk of HIV transmission is based on each sex act.

Couple holding each other in a park

Drazen / Getty Images

These risks include:

Theper-partner riskis another wayto evaluate HIV transmission.

Studies have consistently found condom use to be an effective measure.

Condoms also can be used alongside other measures.

It remains important, even when people have reduced the HIV transmission risk through medication.

Condoms provide another layer of protection when used with other safer sex practices.

That leaves the uninfected partner at risk.

This means their viral load is reduced and they may achieve undetectable levels.

Some drugs are available as daily combination medications.

Medications are also an important therapy.

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