About the Authors

Myint Tin Tin Htar

Contributed equally to this work with: Myint Tin Tin Htar, Anke L. Stuurman

Myint.TinTinHtar@pfizer.com

Affiliation Pfizer: Vaccines Clinical Epidemiology, Pfizer Inc, Paris, France

Anke L. Stuurman

Contributed equally to this work with: Myint Tin Tin Htar, Anke L. Stuurman

Affiliation P95 Epidemiology and Pharmacovigilance Consulting and Services, P95, Leuven, Belgium

Germano Ferreira

Affiliation P95 Epidemiology and Pharmacovigilance Consulting and Services, P95, Leuven, Belgium

Cristiano Alicino

Affiliation Department of Health Sciences (DiSSal), University of Genoa, Genoa, Italy

Kaatje Bollaerts

Affiliation P95 Epidemiology and Pharmacovigilance Consulting and Services, P95, Leuven, Belgium

Chiara Paganino

Affiliation Department of Health Sciences (DiSSal), University of Genoa, Genoa, Italy

Ralf René Reinert

Affiliation Pfizer: Vaccines Medical Development and Scientific Clinical Affairs, Pfizer Inc, Paris, France

Heinz-Josef Schmitt

Affiliation Pfizer: Vaccines Medical Development and Scientific Clinical Affairs, Pfizer Inc, Paris, France

Cecilia Trucchi

Affiliation Department of Health Sciences (DiSSal), University of Genoa, Genoa, Italy

Thomas Vestraeten

Affiliation P95 Epidemiology and Pharmacovigilance Consulting and Services, P95, Leuven, Belgium

Filippo Ansaldi

Affiliation Department of Health Sciences (DiSSal), University of Genoa, Genoa, Italy

Competing Interests

Pfizer is the manufacturer of one of the two pneumococcal vaccines indicated for adults (PCV13), and for which no real-world evidence was found in this study. This does not alter our adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceptualization: MTTH GF ALS TV. Data curation: ALS GF. Formal analysis: GF KB. Funding acquisition: MTTH. Investigation: ALS GF KB MTTH. Methodology: ALS GF MTTH KB. Project administration: GF MTTH. Resources: MTTH AS GF KB. Software: GF KB. Supervision: GF MTTH. Validation: GF. Visualization: GF KB. Writing – original draft: ALS MTTH. Writing – review & editing: MTTH ALS GF CA KB CP RRR HJS CT TV FA.