Serum Institute of India's (SII) Chief Executive Officer Adar Poonawalla said he expects an Omicron-specific vaccine in the country in six months, NDTV reported on Monday.

SII, the world's biggest vaccine maker, produces AstraZeneca's COVID-19 vaccine under the brand name Covishield.

SII did not immediately respond to a Reuters request for comment.

(Reporting by Anirudh Saligrama in Bengaluru; Editing by Krishna Chandra Eluri)