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.
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.
The thing is, flus and colds actually cause immune disorders. So many people have “mysterious” chronic illnesses because they had a “harmless” virus.