Measuring the impact of COVID-19 vaccination and immunity waning: A modelling study for Portugal

• Published in: Vaccine Vol. 40; no. 49; pp. 7115 - 7121
• Main Authors: Caetano, Constantino, Morgado, Maria Luísa, Patrício, Paula, Leite, Andreia, Machado, Ausenda, Torres, André, Pereira, João Freitas, Namorado, Sónia, Sottomayor, Ana, Peralta-Santos, André, Nunes, Baltazar
• Format: Journal Article
• Language: English
• Published: Netherlands Elsevier Ltd 22.11.2022; Elsevier Limited; The Author(s). Published by Elsevier Ltd
• Subjects: Age groups; Aged; Asymptomatic; Child, Preschool; Compartmental models; Coronaviruses; COVID-19; COVID-19 - prevention & control; COVID-19 Vaccines; Disease control; Disease spread; Disease transmission; Effectiveness; Epidemiology; Hospitalization; Humans; Immunity; Infections; Intensive care; Modelling; Older people; Pandemics; Population; Portugal - epidemiology; Public health; SEIR model; Severe acute respiratory syndrome coronavirus 2; Vaccination; Vaccination Coverage; Vaccine effectiveness waning; Vaccine efficacy; Vaccines; Portugal; COVID-19; SEIR model; Compartmental models; Epidemiology; Vaccination; Vaccine effectiveness waning

Vaccination strategies to control COVID-19 have been ongoing worldwide since the end of 2020. Understanding their possible effect is key to prevent future disease spread. Using a modelling approach, this study intends to measure the impact of the COVID-19 Portuguese vaccination strategy on the effec...