Australian needle-free system demonstrates potential for delivering Covid-19 vaccine

Brisbane-based biotech company Vaxxas has announced evidence their delivery patches show potential in administering Covid-19 vaccine. Preclinical research published on preprint repository BioRxiv showed “significantly enhanced T-cell and spike-specific antibody responses” versus needle-and-syringe delivery in an animal model, and  “complete protection from COVID-19 by a single dose skin patch”  in a relevant COVID-19 animal model. …