Transmissibility, hospitalization, and intensive care admissions due to omicron compared to delta variants of SARS-CoV-2 in Catalonia: a cohort study and ecological …

M Català, E Coma, S Alonso, C Andrés… - Frontiers in public …, 2022 - frontiersin.org
Purpose We aim to compare the severity of infections between omicron and delta variants in
609,352 SARS-CoV-2 positive cases using local hospitalization, vaccination, and variants …

Biases in COVID-19 vaccine effectiveness studies using cohort design

S Agampodi, BT Tadesse, S Sahastrabuddhe… - Frontiers in …, 2024 - frontiersin.org
Observational studies on COVID-19 vaccine effectiveness (VE) have provided critical real-
world data, informing public health policy globally. These studies, primarily using pre …

Assessing the Impact of Vaccination on the Dynamics of COVID-19 in Africa: A Mathematical Modeling Study

Y Montcho, R Nalwanga, P Azokpota, JT Doumatè… - Vaccines, 2023 - mdpi.com
Several effective COVID-19 vaccines are administered to combat the COVID-19 pandemic
globally. In most African countries, there is a comparatively limited deployment of …

Access to the COVID-19 Vaccine

D Zavras - International Journal of Environmental Research and …, 2022 - mdpi.com
As of 31 August 2022, 599,825,400 confirmed coronavirus disease 2019 (COVID-19) cases
and 6,469,458 deaths have been reported globally [1]. The pandemic has tested humanity …

Measuring the impact of nonpharmaceutical interventions on the SARS-CoV-2 pandemic at a city level: An agent-based computational modelling study of the City of …

PH Lopes, L Wellacott, L de Almeida… - PLOS Global Public …, 2022 - journals.plos.org
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic hit almost all
cities in Brazil in early 2020 and lasted for several months. Despite the effort of local state …

Measuring the effectiveness of COVID-19 vaccines used during a surge of the delta variant of SARS-CoV-2 in Bangladesh: A test-negative design evaluation

F Khanam, MT Islam, F Ahmmed, SU Ahmed… - Vaccines, 2022 - mdpi.com
Background: From May to December 2021, Bangladesh experienced a major surge in the
Delta variant of SARS-CoV-2. The earlier rollout of several vaccines offered the opportunity …

Primary series and booster COVID-19 vaccine effectiveness in a cohort of healthcare workers in Albania during a BA. 1 and BA. 2 variant period, January–May 2022

I Finci, MY Rojas Castro, I Hasibra, J Sulo, A Fico… - medRxiv, 2023 - medrxiv.org
Abstract Background Healthcare workers (HCWs) have experienced high rates of COVID-19
morbidity and mortality. We estimated COVID-19 two-dose primary series and monovalent …

Primary Series and Booster Coronavirus Disease 2019 Vaccine Effectiveness in a Cohort of Healthcare Workers in Albania During a BA. 1 and BA. 2 Variant Period …

I Finci, MY Rojas Castro, I Hasibra… - Open Forum …, 2023 - academic.oup.com
Abstract Background Healthcare workers (HCWs) have experienced high rates of
coronavirus disease 2019 (COVID-19) morbidity and mortality. We estimated COVID-19 2 …

First Scientific Evidence about the Estimation of the Odds Ratio in Vaccinated Individuals and Determination of Vaccine Efficacy against SARS-CoV-2 Infection in …

SSA de Lemos, B da Silva, CAP de Sousa - COVID, 2022 - mdpi.com
Introduction: Studies conducted in real-life scenarios on vaccine protection against COVID-
19 constitute an important global priority, but one that is currently mostly neglected in low …

[PDF][PDF] Assessing the Impact of Vaccination on the Dynamics of COVID-19 in Africa: A Mathematical Modeling Study. Vaccines 2023, 11, 857

Y Montcho, R Nalwanga, P Azokpota, JT Doumatè… - 2023 - pdfs.semanticscholar.org
Several effective COVID-19 vaccines are administered to combat the COVID-19 pandemic
globally. In most African countries, there is a comparatively limited deployment of …