Before revision:  Novel Coronavirus officially called COVID-19, which has become a pandemic and has created a crisis in human history , is one such topic that has attracted a lot of attention on Twitter in recent times .
After revision:  One such subject that has gained a lot of coverage on Twitter is the Novel Coronavirus, officially known as COVID-19, which has become a pandemic and has created a crisis in human history , is one such topic that has attracted a lot of attention on Twitter in recent times .