Nasal vaccines could help to bring the Covid-19 pandemic under control, the World Health Organization WHO said on Wednesday after home-grown products were approved in India and China.
The WHO welcomed the new front in the fight against the virus – but also said it wanted to see the data behind the vaccines, to assess whether to approve them.
China on Sunday launched the world’s first inhalable Covid-19 vaccine, Convidecia Air, which is administered through a nebuliser.
And India approved a nasally-administered Covid-19 vaccine for emergency use on Tuesday, developed by Bharat Biotech.
WHO emergencies director Mike Ryan said nasal vaccines generated immune response in the respiratory mucosa in the lungs.
