Lena tested positive for HIV in a routine screening. Which statement below is TRUE?

• A. Lena's positive HIV test means she already has AIDS.
• B. Current antiretroviral treatment can substantially slow HIV progression and improve life expectancy.
• C. Because Lena has no symptoms, she must have cleared the infection naturally.
• D. Her male partner cannot acquire HIV from her because transmission only occurs among men who have sex with men.

Answer: (B)