The AHA and Association for Professionals in Infection Control and Epidemiology will host a Twitter chat Monday, Oct. 17 on the important roles patients, families and health care professionals play in breaking the chain of infections. Topics will include hand hygiene, flu vaccination and antibiotic resistance. Join the 2 p.m. ET chat, during International Infection Prevention Week, at #IIPWChat. The chat also marks the beginning of the AHA’s United Against the Flu campaign, when national health care organizations will promote the importance of flu vaccination.