Invasive Pneumococcal Disease Epidemiology and Serotype Replacement After the Introduction of the 13-Valent Pneumococcal Conjugate Vaccine in Ontario, Canada, 2007-2022.
Ramandip GrewalKelty HillierShelley L DeeksAllison H YeungSarah E WilsonShinthuja WijayasriTara M HarrisSarah E WilsonPublished in: Open forum infectious diseases (2024)
IPD incidence and hospitalizations due to PCV13 serotypes decreased after PCV13 introduction but increased for other serotypes. Continued surveillance is required to evaluate changes to pneumococcal vaccination programs and ongoing changes to the distribution of IPD-causing serotypes.