Elderly ambulatory men and women living in retirement communities. Enrollment occurred over 10-12 year period. Available for secondary analysis. Recruitment by presentations at each community, discussions with study personnel.
All participants have income above social security as base.
Approval by Dr. Abrutyn, then administration at each participating institution. Personal attention and time for discussion. Studies of host defenses in influenza and studies of immune response to influenza vaccine. Current pool will continue to participate for at least the next two years. Other researchers at Allegheny University include Drs.