Nearly zero risk of sexually transmitting HIV when viral loads are less than 1000 copies per mL

Clinical Question

What is the risk of sexually transmitting the human immunodeficiency virus when the viral loads are less than 1000 copies/mL?

Bottom line

Among these disparate studies, when the viral load was less than 1000 copies per mL, there was nearly no chance of sexually transmitting HIV. 2a

Study design: Systematic review

Funding: Foundation

Setting: Outpatient (any)


Henry C. Barry, MD, MS
Michigan State University
East Lansing, MI

Discuss this POEM


Arup Kumar Dhara

Impact assessment


Bertus Johannes Reitsma

study objective

why looking for a medical excuse for unprotected sex ? : humbug !


Hiv issue related to risk of transmissioin

Good information