NIV Pune isolating 4 Omicron sub-variants responsible for recent rise in Covid cases: Dr Naveen Kumar, director of Pune-based NIV
Pune, June 19, 2025.The National Institute of Virology (NIV) Wednesday said it is genome sequencing and isolating four new sub-variants of Omicron which are believed to be responsible for the recent rise in Covid cases across India.This effort will help in assessing vaccine effectiveness, Dr Naveen Kumar, director of Pune-based NIV under the ICMR, said.
