Executive summary As of May 31, 2022, there were 6· 9 million reported deaths and 17· 2
million estimated deaths from COVID-19, as reported by the Institute for Health Metrics and …

Beginning in December 2019, the world faced a critical new public health stressor with the
emergence of SARS-CoV-2. Its spread was extraordinarily rapid, and in a matter of weeks …

Understanding how severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
emerged in 2019 is critical to preventing future zoonotic outbreaks before they become the …

Importance Several studies were conducted to estimate the average incubation period of
COVID-19; however, the incubation period of COVID-19 caused by different SARS-CoV-2 …

The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has
caused a devastating pandemic. Although most people infected with SARS-CoV-2 develop …

Understanding the circumstances that lead to pandemics is important for their prevention.
We analyzed the genomic diversity of severe acute respiratory syndrome coronavirus 2 …

Since the first cases of COVID-19 were documented in Wuhan, China in 2019, the world has
witnessed a devastating global pandemic, with more than 238 million cases, nearly 5 million …

Recent decades have seen a rise in the use of physics methods to study different societal
phenomena. This development has been due to physicists venturing outside of their …

INTRODUCTION Although post facto studies have revealed the importance of severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission from presymptomatic …

The COVID‐19 pandemic situation has pushed many higher education institutions into a fast‐
paced, and mostly unstructured, emergency remote education process. In such an …