ST. LOUIS, Jan. 29 (UPI) -- The influenza vaccination rate among some healthcare workers rose to 98 percent after it became mandatory, a U.S. medical researcher says.
Dr. Hilary Babcock of Washington University School of Medicine in St. Louis looked at how a 2008 mandatory swine flu vaccination policy impacted BJC Health Care -- a multi-hospital healthcare system in the Midwest with about 26,000 employees.