Vaccine
Volume 40, Issue 19 Pages 2647-2818 (26 April 2022)
https://www.sciencedirect.com/journal/vaccine/vol/40/issue/19

Research article Open access
Vaccine effectiveness of the 7-valent and 13-valent pneumococcal conjugate vaccines in Canada: An IMPACT study
Leah J. Ricketson, Julie A. Bettinger, Manish Sadarangani, Scott A. Halperin, … James D. Kellner
Pages 2733-2740