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Only one of the vaccines, PCV13, is considered safe for children under the age of 2, This vaccine is important because infants and very young children are at higher risk for several dangerous infections, including pneumonia and bacterial meningitis.
Pneumovax is typically given as a single injection, but a second dose may be recommended in some cases. This vaccine is generally recommended for adults over the age of 65. Prevnar 13 is the pneumonia vaccine most often recommended for children; with these products, dosing guidelines call for up to four injections. The ideal vaccination schedule for Prevnar 13 is as follows: 1  First dose -- 2 months old.  Second dose -- 4 months old.