'The most recent data, was looking at convalescent Sera of COV | BusinessLine

"The most recent data, was looking at convalescent Sera of COVID-19 cases and people who received the vaccine used in India, the Covaxin. It was found to neutralise the 617 variants," says Dr Anthony Fauci

https://www.thehindubusinessline.com/news/covaxin-neutralises-617-variants-of-covid-19/article34427869.ece