Reuters reports that British drugmaker GlaxoSmithKline Plc on Thursday said it will begin a U.S. trial this year of a vaccine to prevent humans from being infected with HIV, the virus that causes AIDS.

Healthy males and females who have not been exposed to the virus and who are at low risk of HIV infection will be enrolled later this year for the trials, which will take place at up to 11 clinical research centers in the United States, the firm said in a statement.
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