Top 10 world events of 2021
1. COVID-19 continues to rage For a second year the COVID-19 pandemic has raged, with more severe waves of infection causing more losses following the emergence of new variants of the SARS-CoV-2 virus: Delta and Omicron. At the end of 2021, the world has reported more than 280 million cases of COVID-19 and nearly 5.5…