This is a phase 1 clinical trial to evaluate the safety and pharmacokinetics of the highly
neutralizing anti-human immunodeficiency virus-1 monoclonal antibodies 3BNC117 and 10-1074,
when given in combination, in human immunodeficiency virus (HIV)-uninfected individuals. This
study is intended to support the development of the combination of 3BNC117 and 10-1074 mAbs
for use as prophylaxis against HIV infection in healthy HIV-uninfected individuals at risk
for HIV infection.