If they had, they would have been tested to see if they needed treatment to prevent an infection like H.I.V.or hepatitis.

VOA: special.2010.02.10

One was the ability of the vaccine to prevent infections from the human immunodeficiency virus, better known as H.I.V.

VOA: special.2009.10.13

Doctors also suggest avoiding tanning salons and U-V tanning beds to prevent skin cancer.

VOA: special.2010.07.06

The unused input can be sealed with the patent pending V-CORK to accurately balance the sound and prevent corrosion.

ENGADGET: V-Moda ships its listener-influenced Crossfade M-100 headphones