Morbidity and Mortality Weekly Report

993 State-Specific Prevalence of Cigarette Smoking Among Adults and Quitting Among Persons Aged 18–35 Years — United States, 2006 996 Update on Vaccine-Derived Polioviruses — Worldwide, January 2006–August 2007 1001 Update: Influenza Activity — United States and Worldwide, May 20–September 15, 2007 1004 Notices to Readers 1006 QuickStats Nonfatal Self-Inflicted Injuries Among Adults Aged >65 Years —— United States, 2005