Did the design and planning of testing and contact tracing interventions for COVID-19 consider social inequalities in health? A multiple case study from Brazil, Canada …

MC Gagnon-Dufresne, L Gautier, C Beaujoin… - Social Science & …, 2023 - Elsevier
The COVID-19 pandemic has led to an unprecedented global crisis. It has exposed and
exacerbated weaknesses in public health systems worldwide, particularly with regards to …

The immune evasion ability of Delta variant is comparable to that of Beta variant in South Africa

D He, B Chen, S Zhao, L Stone - BMC public health, 2023 - Springer
Background The high immune evasion ability of SARS-COV-2 Omicron variant surprised the
world and appears to be far stronger than any previous variant. Previous to Omicron it has …

[HTML][HTML] Modelling the unexpected dynamics of COVID-19 in Manaus, Brazil

D He, Y Artzy-Randrup, SS Musa, T Gräf… - Infectious Disease …, 2024 - Elsevier
Abstract In late March 2020, SARS-CoV-2 arrived in Manaus, Brazil, and rapidly developed
into a large-scale epidemic that collapsed the local health system and resulted in extreme …

Assessment of age-dependent effects during the transmission of Omicron and the outcomes of booster campaign vaccination strategies

Y Deng, D He, Y Zhao - Applied Mathematical Modelling, 2024 - Elsevier
At the end of 2021, the Omicron variant of severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2) took over from the preceding Delta variant as the dominant strain, causing a …

[HTML][HTML] Assessing the dynamics and impact of COVID-19 vaccination on disease spread: A data-driven approach

F Waseel, G Streftaris, B Rudrusamy… - Infectious Disease …, 2024 - Elsevier
The COVID-19 pandemic has significantly impacted global health, social, and economic
situations since its emergence in December 2019. The primary focus of this study is to …

Scenario analysis of COVID-19 dynamical variations by different social environmental factors: a case study in Xinjiang

R Fu, W Liu, S Wang, J Zhao, Q Cui, Z Hu… - Frontiers in Public …, 2024 - frontiersin.org
Background With the rapid advancement of the One Health approach, the transmission of
human infectious diseases is generally related to environmental and animal health …

Dynamics and asymptotic profiles on an age-structured SIS epidemic model with random diffusion and advection

SK Hu, J Huo, R Yuan - Discrete and Continuous Dynamical …, 2024 - aimsciences.org
In this paper, we introduce an age-structured SIS (susceptibleinfectious-susceptible)
epidemic model with random diffusion and advection, in which birth and transmission rates …

Quantifying indirect and direct vaccination effects arising in the SIR model

L Lin, H Hamedmoghadam, R Shorten… - arXiv preprint arXiv …, 2024 - arxiv.org
Vaccination campaigns have both direct and indirect effects that act to control an infectious
disease as it spreads through a population. Indirect effects arise when vaccinated …

High seroprevalence after the second wave of SARS-COV2 respiratory infection in a small settlement on the northern coastal of Peru

AK Toledo, F León-Jimenez, S Cavalcanti… - medRxiv, 2023 - medrxiv.org
Background Due to more infections from variations that could escape vaccination and
immunity by asymptomatic to uninfected transmission, COVID-19's second wave had higher …

A mathematical model for evaluating the impact of nonpharmaceutical interventions on the early COVID-19 epidemic in the United Kingdom

H Zhang, S Jing - Advances in Continuous and Discrete Models, 2024 - Springer
Abstract The coronavirus disease 2019 (COVID-19) presents a severe and urgent threat to
global health. In response to the COVID-19 pandemic, many countries have implemented …