A previous post noted the failure of risk-based screening for hepatitis C virus (HCV) (Unknown unknowns for Hepatitis C).  Because risk-based screening has not been effective, the CDC has proposed a different strategy, one time testing of all baby boomers:

http://www.cdc.gov/nchhstp/newsroom/HepTestingRecsPressRelease2012.html

“On the eve of the first ever National Hepatitis Testing Day (May 19), the Centers for Disease Control and Prevention is issuing draft guidelines proposing that all U.S. baby boomers get a one-time test for the hepatitis C virus. One in 30 baby boomers – the generation born from 1945 through 1965 – has been infected with hepatitis C, and most don’t know it.”