Ballack is a role model for many young people, and his engagement with UNAIDS will help disseminate messages on HIV prevention and support.
Ballack is a role model for many young people, and his engagement with UNAIDS will help disseminate messages on HIV prevention and support.
他现与联合国艾滋病规划署的合作，致力于宣传艾滋病预防及援助的信息。