Inhalable vaccine for COVID-19 a step closer
2 years, 9 months ago

Inhalable vaccine for COVID-19 a step closer

China Daily  

A logo of China's vaccine specialist CanSino Biologics Inc is pictured on the company's branch office building in Shanghai, China, Feb 25, 2022. An inhaled COVID-19 vaccine developed by CanSino Biologics has entered late-stage clinical trials, with data suggesting it is eligible to apply for emergency use in China, the company's chief scientist said. Zhu said clinical data shows that the inhaled vaccine is safe and can deliver broad protection against the novel coronavirus that causes COVID-19, including its mutated strains. As respiratory viruses typically target the lungs and upper airways, an inhaled vaccine can bolster the immune response in cells that form the mucous membrane in those parts of the body, serving as the first line of defense against the pathogen, Zhu said. "The inhaled version only uses about one-fifth of the dosage of a conventional injection," Zhu said, making it much easier to administer and more accessible to people around the globe.

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