Supporting the scientific study of sharks, skates and rays since 1983.
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.
Limitations of Use and Effectiveness. 1  Prevnar 13Â® will only help protect against S. pneumoniae serotypes in the vaccine. 2  Effectiveness when administered <5 years after pneumococcal polysaccharide vaccine is not known.