Overview Catechin Gargling for Influenza Infection Status: Completed Trial end date: 2006-04-01 Target enrollment: Participant gender: Summary The purpose of this study is to clarify the preventive effects of catechin gargling on the influenza infection. Phase: N/A Details Lead Sponsor: University of ShizuokaCollaborators: Seirei Hamamatsu General HospitalShizuoka General HospitalWhite Cross Nursing Home