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This step will further strengthen our collective fight against the pandemic,” Indian health minister Mansukh Mandaviya said on Twitter.
It's not clear how well the nasal version works. Bharat didn't immediately release results of its studies or say how soon the new option will roll out.
CanSino Biologics announced Sunday that Chinese regulators have approved an inhaled version of the company's injected COVID-19 vaccine to be used as a booster dose. The company pointed to preliminary results of studies suggesting the inhaled version revved up immune protection after one puff. It's not clear if that translated to improved effectiveness, or how soon the inhaled booster will be available.