This sounds like something too good to be true, April Fools, snake oil etc, but it's actually true. It's still at an early research stage, but it shows incredible promise, enough to revolutionise vaccines. I guess the antivaxxers are gonna have a fit over this one, lol.
www.bbc.co.uk
A single nasal spray vaccine could protect against all coughs, colds and flus, as well as bacterial lung infections, and may even ease allergies, say US researchers.
Single vaccine could protect against all coughs, colds and flus, researchers say
A Stanford University team have tested their nasal spray vaccine in animals but still need to do human clinical trials.