Three waves changes, new variant strains, and vaccination effect against COVID-19 pandemic

RM El-Shabasy, MA Nayel, MM Taher… - International Journal of …, 2022 - Elsevier
It has been more than one year since the first case of the coronaviruses was infected by
COVID-19 in China. The world witnessed three waves of the corona virus till now, and more …

[HTML][HTML] The impact of COVID-19 vaccines on the Case Fatality Rate: The importance of monitoring breakthrough infections

V di Lego, M Sánchez-Romero, A Prskawetz - International Journal of …, 2022 - Elsevier
Objectives This study aimed to test the behavior of the case fatality rate (CFR) in a mixed
population of vaccinated and unvaccinated individuals by illustrating the role of both the …

Model based estimation of the SARS-CoV-2 immunization level in austria and consequences for herd immunity effects

M Bicher, C Rippinger, G Schneckenreither… - Scientific reports, 2022 - nature.com
Several systemic factors indicate that worldwide herd immunity against COVID-19 will
probably not be achieved in 2021. On the one hand, vaccination programs are limited by …

Accounting for assay performance when estimating the temporal dynamics in SARS-CoV-2 seroprevalence in the US

B García-Carreras, MDT Hitchings… - Nature …, 2023 - nature.com
Reconstructing the incidence of SARS-CoV-2 infection is central to understanding the state
of the pandemic. Seroprevalence studies are often used to assess cumulative infections as …

Reducing COVID-19 cases and deaths by applying blockchain in vaccination rollout management

J Medina, R Cessa-Rojas… - IEEE Open Journal of …, 2021 - ieeexplore.ieee.org
Goal: Because a fast vaccination rollout against coronavirus disease 2019 (COVID-19) is
critical to restore daily life and avoid virus mutations, it is tempting to have a relaxed …

Underdetection in a stochastic SIR model for the analysis of the COVID-19 Italian epidemic

A Bodini, S Pasquali, A Pievatolo, F Ruggeri - … Research and Risk …, 2022 - Springer
We propose a way to model the underdetection of infected and removed individuals in a
compartmental model for estimating the COVID-19 epidemic. The proposed approach is …

SARS-CoV-2 infections in 165 countries over time

S Louca - International Journal of Infectious Diseases, 2021 - Elsevier
Background: Understanding the dynamics of the COVID-19 pandemic and evaluating the
efficacy of control measures requires knowledge of the number of infections over time. This …

A Bayesian latent variable model for the optimal identification of disease incidence rates given information constraints

R Kubinec, LM Carvalho, J Barceló… - Journal of the Royal …, 2024 - academic.oup.com
We present an original approach for measuring infections as a latent variable and making
use of serological and expert surveys to provide ground truth identification during the early …

[HTML][HTML] Detectable SARS-CoV-2 RNAemia in critically ill patients, but not in mild and asymptomatic infections

E Richter, D Al Arashi, B Schulte, C Bode… - Transfusion Medicine …, 2021 - karger.com
Background: The SARS-CoV-2 pandemic has challenged many of our current routine
practices in the treatment and care of patients. Given the critical importance of blood …

Evolution of the lethality due to SARS-CoV-2 in Spain according to age group and sex

P Saavedra, A Santana, A Peñate, C Herrera… - Scientific Reports, 2022 - nature.com
The emergence of SARS-CoV-2 in China in December 2019 has posed a major challenge
to health systems in all countries around the world. One of the most relevant epidemiological …