Conventional wisdom suggests vaccinating elderly people first in flu season, because they are at greatest risk of dying if they contract the virus  This year' s flu virus poses particular risk to elderly people and almost none at all to younger people, particularly children
Nevertheless, health professionals are recommending vaccinating children first against the virus rather than elderly people
Children who catch one strain of the flu virus and then recover are likely to develop immunity to at least some strains with which they have not yet come in contact.