We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleUpdate: influenza activity -- United States, 1997-98 season.AuthorsCenters for Disease Control and Prevention (CDC)PublicationMMWR. Morbidity and mortality weekly report, 1997, Vol 46, Issue 46, p1094ISSN0149-2195Publication typearticle