Development and Pretesting Multimedia HIV-Prevention Text Messages for Mobile Cell Phone Delivery

text messaging HIV infection is a serious health problem among African American adolescents.In 2006, 15% of all new HIV infections occurred among adolescents and young adults ages 13 to 24 years (Centers for Disease Control and Prevention CDC, 2008).Although African American adolescents represented only 17% of the adolescent population in the 34 states with confidential HIV reporting, they accounted for 72% of the adolescent HIV and/or AIDS cases (CDC, 2009a).The increasing number of new infections points to the need to expand access to effective HIV-prevention programs (CDC, 2008(CDC, , 2009b)).