A Stanford University team have tested their nasal spray vaccine in animals but still need to do human clinical trials.
Pulendran told the BBC: "This vaccine, what we term a universal vaccine, elicits a far broader response that is protective against not just the flu virus, not just the Covid virus, not just the common cold virus, but against virtually all viruses, and as many different bacteria as we've tested, and even allergens.
— Source: BBC News (https://www.bbc.com/news/articles/cx2g8rz7yedo)
