In this Thursday, Dec. 18, 2014 photograph, a person walks through a Merck & Co. company building, in Kenilworth, N.J.  Merck & Co. on Tuesday, Feb. 24, 2015 announced it has granted a free license allowing one of its HIV medicines to be made and sold inexpensively for use in young children in poor countries hard hit by the AIDS virus. (AP Photo/Mel Evans)

Merck grants free license for pediatric HIV drug

Drugmaker Merck & Co. has granted a free license allowing one of its HIV medicines to be made and sold inexpensively for use in young children in poor countries hard hit by the AIDS virus.