The Delta variant was primarily responsible for the second wave between February and June 2021, resulting in large number of deaths. Doctors fear that even as the Omicron variant is resulting in the rise in number of cases, it is the Delta variant that is proving alarming for hospitals. Doctors said that the Delta variant is still prevalent, with many cases landing up in serious conditions.

Source: Amid Omicron surge, Delta alarms hospitals in Hyderabad