TY - GEN AU - Ireland,Molly E AU - Chen,Qijia AU - Schwartz,H Andrew AU - Ungar,Lyle H AU - Albarracin,Dolores TI - Action Tweets Linked to Reduced County-Level HIV Prevalence in the United States: Online Messages and Structural Determinants SN - 1573-3254 PY - 2017///0608 KW - Acquired Immunodeficiency Syndrome KW - epidemiology KW - Disease Outbreaks KW - Female KW - Forecasting KW - HIV Infections KW - diagnosis KW - Health Behavior KW - Humans KW - Male KW - Motivation KW - Prevalence KW - Risk-Taking KW - Social Media KW - statistics & numerical data KW - United States N1 - Publication Type: Journal Article UR - https://doi.org/10.1007/s10461-015-1252-2 ER -