Since the beginning of the pandemic, new 'severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2)'variants that have the ability to influence the airborne transmission, virulence …

Introduction A novel strain of coronavirus, SARS-CoV-2, has triggered a global pandemic of
coronavirus disease (COVID-19) in late 2019. In January 2020, the WHO declared this …

Vaccination is one of the key strategies to stop the COVID-19 pandemic. This review aims to
evaluate the current state of vaccine development and to determine the issues that merit …

The outbreak of COVID-19 (caused by SARS-CoV-2) has posed a significant threat to global
public health security because of its high pathogenicity and infectivity. To date, the …

Simple Summary The coronavirus disease 2019 (COVID-19) pandemic, caused by the novel
severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), was first encountered in …

The COVID-19 pandemic has shaken the world since early 2020 and its health, social,
economic, and societal negative impacts at the global scale have been catastrophic. Since …

The ongoing COVID-19 pandemic has imposed a series of challenges on the scientific
community. One of the biggest was the development of safe and effective vaccines in record …

The COVID-19 pandemic has led the world to undertake the largest vaccination campaign in
human history. In record time, unprecedented scientific and governmental efforts have …

The world has entered the second wave of the COVID-19 pandemic, and its intensity is
significantly higher than that of the first wave of early 2020. Many countries or regions have …

Vaccine development against SARS-CoV-2 has been highly successful in slowing down the
COVID-19 pandemic. A wide spectrum of approaches including vaccines based on whole …