In those with all swab specimens ( n = @ ) , oseltamivir significantly reduced virus isolation on days @ ( placebo @ -LSB- @ % -RSB- vs oseltamivir @ -LSB- @ % -RSB- ; difference @ % , @ % CI @-@ @ , p = @ ) , @ ( @ -LSB- @ % -RSB- vs @ -LSB- @ % -RSB- ; difference @ % , @ % CI @-@ @ , p < @ ) , and @ ( @ -LSB- @ % -RSB- vs @ -LSB- @ % -RSB- ; difference @ % , @ % CI @-@ @ , p = @ ) .