Scientists from China have made an aerosol-based inhalable vaccine against COVID-19, which they claim provides “effective protection” against infection based on animal trials.
The study, published in the Nature journal on Dec. 13, involved researchers testing “an inhalable, single-dose, dry powder aerosol SARS-CoV-2 vaccine” that they developed. The vaccine uses nanoparticles and contains SARS-CoV-2 antigens, or substances that trigger the immune system to generate antibodies against it. Researchers designed the vaccine to target multiple COVID-19 lineages. The particles were one to four micrometers in size, optimized to be deposited in the deep lung region.
