Pneumococcal conjugate — healthy infant, three doses (2 + 1)
3 dosesTwo doses at 2 and 4 months plus a booster at 12 months.
Routine schedule for healthy infants in provinces using a 2 + 1 series, including Ontario: doses at 2 and 4 months, then a booster at 12 months of age. Minimum 8 weeks between doses; the booster is not given before 12 months of age. Infants with risk factors need the four-dose (3 + 1) schedule.
Pneumococcal conjugate — higher-risk infant, four doses (3 + 1)
4 dosesThree doses at 2, 4 and 6 months plus a booster at 12 to 15 months.
For infants with immunocompromising conditions, chronic heart, lung, kidney or liver disease, cochlear implants, CSF leak, sickle cell disease or asplenia, and premature infants: doses at 2, 4 and 6 months followed by a booster at 12 to 15 months. Minimum 8 weeks between doses; the booster is not given before 12 months of age.