title: JCR flu vaccination challenge enters fourth season. Participants achieved 80% flu vaccination average for health care workers in 2010-2011.
mesh_terms: D006282:Health Personnel; D006801:Humans; D017589:Immunization Programs / Q000706:statistics & numerical data*; D007251:Influenza, Human / Q000517:prevention & control*; D007591:Joint Commission on Accreditation of Healthcare Organizations; D014481:United States