2. Total no. of variant till 2023:-omicron and subvariants, Delta, Delta AY 4.2, Beta (Beta may have been more likely than other variants to lead to hospitalization and death.) ,
2. Total no. of variant till 2023:-omicron and subvariants, Delta, Delta AY 4.2, Beta (Beta may have been more likely than other variants to lead to hospitalization and death.) ,