RNA-based therapy is a promising and potential strategy for disease treatment by
introducing exogenous nucleic acids such as messenger RNA (mRNA), small interfering …

Objective To evaluate the effectiveness of heterologous and homologous covid-19 vaccine
regimens with and without boosting in preventing covid-19 related infection, hospital …

Abstract Coronavirus disease 2019 (COVID‐19) has brought about a great threat to global
public health. Recently, a new severe acute respiratory syndrome coronavirus 2 (SARS …

Background Vaccination, one of the most important and effective ways of preventing
infectious diseases, has recently been used to control the COVID-19 pandemic. The present …

Importance An overall household secondary attack rate (SAR) of 18.9%(95% CI, 16.2%-
22.0%) through June 17, 2021 was previously reported for SARS-CoV-2. Emerging variants …

Background Knowing whether COVID-19 vaccine effectiveness wanes is crucial for
informing vaccine policy, such as the need for and timing of booster doses. We aimed to …

Pursuing vaccinations against COVID-19 brings hope to limit the spread of SARS-CoV-2
and remains the most rational decision under pandemic conditions. However, it does not …

Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome
coronavirus-2 (SARS-CoV-2), is a threat to the health of the global population. As the result …

Importance Monitoring COVID-19 vaccine performance over time since vaccination and
against emerging variants informs control measures and vaccine policies. Objective To …

It is urgently needed to update the comprehensive analysis about the efficacy or
effectiveness of COVID-19 vaccines especially during the COVID-19 pandemic caused by …