Adults randomized to @ study groups and stratified by age ( @-@ and @ years ) received @ dose of seasonal IIV@ or placebo and @ doses of @-H@N@ vaccine or placebo in one of @ combinations , i.e. , H@N@ + Placebo/H@N@ + Placebo/IIV@ ( HP/HP/V@ ) , H@N@ + IIV@/H@N@ + Placebo/Placebo ( HV@/HP/P ) , H@N@ + Placebo/H@N@ + IIV@/Placebo ( HP/HV@/P ) , and IIV@ + Placebo/H@N@ + Placebo/H@N@ ( V@P/HP/H ) .