From @ months after dose two , @CMenB vaccination resulted in significantly lower carriage of any meningococcal strain ( @ % -LSB- @ % CI @-@ -RSB- carriage reduction ) , capsular groups BCWY ( @ % -LSB- @-@ -RSB- carriage reduction ) , capsular groups CWY ( @ % -LSB- @-@ -RSB- carriage reduction ) , and serogroups CWY ( @ % -LSB- @-@ -RSB- carriage reduction ) compared with control vaccination .