As Russia struggles to combat the virus, reports said authorities will be testing the nasal spray form of the Sputnik V vaccine. The nasal spray is reportedly set to be administered in two doses in a St Petersburg clinic.

Amid rise in COVID-19 cases, Russia to test coronavirus vaccine in form of nasal spray

Scientists at UK Lancaster University have developed a low-cost coronavirus vaccine that can be taken through the nose. The researchers at the university administer the Nasal spray vaccine in animal trials.

UK: Lancaster University researchers develop 'Nasal Spray' COVID vaccine

China has approved for trials its first nasal spray vaccine to combat the novel coronavirus that has claimed over 904,000 lives and infected more than 27 million people globally, official media reported.

China approves trials of nasal spray vaccine for coronavirus