Bharat Biotech's COVID-19 recombinant nasal vaccine has been approved by the Indian drug regulator, the country's health minister Mansukh Mandaviya tweeted on Tuesday.

The regulator approved the vaccine for primary immunisation of those aged 18 years and above, for restricted use in emergency situations, Mandaviya added. (Reporting by Tanvi Mehta, Editing by Louise Heavens)