Update: influenza activity and vaccine availability--United States, 1991-92.

During the 1991-92 influenza season, widespread influenza-like illness (ILI) activity* was first reported in Louisiana for the week ending November 9, 1991, and in Mississippi the week ending November 16. Through November 30, six additional states (Alaska, Missouri, New York, North Carolina, Tennessee, and Texas) reported widespread activity; 13 (Alabama, Arkansas, California, Florida, Georgia, Indiana, Kansas, Kentucky, Minnesota, Nebraska, New Jersey, Ohio, and Pennsylvania) reported regional activity.