COVID-19 cases are peaking in several East and Southeast Asian and European countries. The surge is fuelled mainly by the BA.2 sub-lineage of the Omicron variant. The rapid rise has caused anxiety in India. Data show that the rise in cases recorded between December 2021 and mid-January 2022 in India (dubbed as the Omicron wave) was in most part due to the BA.2 sub-lineage. So, while the sub-lineage has just become dominant in other nations, it became dominant in India as early as January 2022. Moreover, hospitalisation data show that BA.2 is milder than the previous variants
Rise in cases
The graph shows the average cases in select countries since October 1, 2021. South Korea, Vietnam, Germany, Austria, Thailand and Malaysia recorded their pandemic peaks in the last 10 days. India recorded its second-highest case peak between December 2021 and January 2022 (Omicron wave)
