Methods to evaluate COVID-19 vaccine effectiveness, with an emphasis on quasi-experimental approaches

The evaluation of vaccine effectiveness is conducted with real-world data. They are essential to monitor the performance of vaccination programmes over time, and in the context of the emergence of new variants. Until now, the effectiveness of COVID-19 vaccines has been assessed based on classic methods, such as cohort and test-negative case-control studies, which may often not allow for adequate control of inherent biases in the assignment of vaccination campaigns. The aim of this review was to discuss the study designs available to evaluate vaccine effectiveness, highlighting quasi-experimental studies, which seek to mimic randomized trials, by introducing an exogenous component to allocate to treatment, in addition to the advantages, limitations, and applicability in the context of Brazilian data. The use of quasi-experimental approaches, such as interrupted time series, difference-in-differences, propensity scores, instrumental variables, and regression discontinuity design, are relevant due to the possibility of providing more accurate estimates of COVID-19 vaccine effectiveness. This is especially important in scenarios such as the Brazilian, which characterized by the use of various vaccines, with the respective numbers and intervals between doses, applied to different age groups, and introduced at different times during the pandemic.

Medienart:

E-Artikel

Erscheinungsjahr:

2021

Erschienen:

2021

Enthalten in:

Zur Gesamtaufnahme - volume:26

Enthalten in:

Ciencia & saude coletiva - 26(2021), 11 vom: 15. Nov., Seite 5599-5614

Sprache:

Portugiesisch

Weiterer Titel:

Métodos para avaliação da efetividade de vacinas para COVID-19 com ênfase em abordagens quase-experimentais

Beteiligte Personen:

Pescarini, Julia Moreira [VerfasserIn]
Teixeira, Camila Silveira Silva [VerfasserIn]
Cruz, Enny Paixão [VerfasserIn]
Ortelan, Naia [VerfasserIn]
Pinto, Priscila Fernanda Porto Scaff [VerfasserIn]
Ferreira, Andrêa Jacqueline Fortes [VerfasserIn]
Alves, Flavia Jôse Oliveira [VerfasserIn]
Pinto Junior, Elzo Pereira [VerfasserIn]
Falcão, Ila Rocha [VerfasserIn]
Rocha, Aline Dos Santos [VerfasserIn]
Silva, Nivea Bispo da [VerfasserIn]
Ortiz, Renzo Flores [VerfasserIn]
Saavedra, Ramon da Costa [VerfasserIn]
Oliveira, Vinicius de Araújo [VerfasserIn]
Ribeiro-Silva, Rita de Cássia [VerfasserIn]
Ichihara, Maria Yury Travassos [VerfasserIn]
Boaventura, Viviane [VerfasserIn]
Barral Netto, Manoel [VerfasserIn]
Kerr, Ligia Regina Franco Sansigolo [VerfasserIn]
Werneck, Guilherme Loureiro [VerfasserIn]
Barreto, Mauricio L [VerfasserIn]

Links:

Volltext

Themen:

COVID-19 Vaccines
Journal Article
Review
Vaccines

Anmerkungen:

Date Completed 03.12.2021

Date Revised 14.12.2021

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1590/1413-812320212611.18622021

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM333889673