Background Understanding the level and characteristics of protection from past SARS-CoV-
2 infection against subsequent re-infection, symptomatic COVID-19 disease, and severe …

Abstract The European Union has implemented various strategies and policies to mitigate
the effects of the coronavirus-19 pandemic and promote recovery. This article reviews the …

Background The literature indicates a negative impact on the mental health of university
students during the COVID-19 pandemic. It remains unclear if this negative impact persists …

Targeted public health interventions for an emerging epidemic are essential for preventing
pandemics. During 2020-2022, China invested significant efforts in strict zero-COVID …

Differential equations-based epidemic compartmental models and deep neural networks-
based artificial intelligence (AI) models are powerful tools for analyzing and fighting the …

Background The two inactivated SARS-CoV-2 vaccines, CoronaVac and BBIBP-CorV, have
been widely used to control the COVID-19 pandemic. The influence of multiple factors on …

Non-pharmaceutical interventions (NPIs) have been proven effective in reducing the spread
of the coronavirus disease 2019 (COVID-19), but their broader impact on gastrointestinal …

Modelling and predicting the behaviour of infectious diseases is essential for early warning
and evaluating the most effective interventions to prevent significant harm. Compartmental …

Objectives The purpose of this study was to assess the long-term effectiveness of COVID-19
pandemic prevention measures in saving lives after European governments began to lift …

The COVID-19 pandemic has severely disrupted travel behavior across diverse socio-
economic areas, with a significant impact on transportation systems, public health, and the …