No immediate threat due to Delta plus variant, says expert

Delta plus is not rising faster than Delta, says Anurag Agrawal, Director, Institute of Genomics and Integrative Biology (CSIR)

In an exclusive interview, Anurag Agrawal, Director, Institute of Genomics and Integrative Biology (CSIR), Delhi, speaks on the Delta variant being a global concern, impact of mutation on efficacy of vaccines, cause of mutation in a virus and the difference between a strain and variant of a virus. A mutant variant of SARS-Cov-2, B.1.617.2, is now named the Delta variant. It has mutations in its spike protein, which makes it more transmissible and able to evade immunity. It has already spread to 80 countries across the world. After India, now it is spreading fast in the U.K., some States in the U.S., Singapore and southern China.