Table 5.

Studies comparing PPSV^* to PPSV/ PCV^† combined.

Study	Higher response PCV/PPSV
Feikin (2001) [51]	Yes
Ho (2013) [52]	Yes
Sadlier (2016) [55]	Yes
Lesprit (2007) [53]	Yes
Ohtola (2016) [39]	No
Peñaranda (2010) [54]	No

^⁎PPSV= pneumococcal polysaccharide vaccine.

^†PCV= pneumococcal conjugate vaccine.