We’re one step closer to a ‘universal vaccine’ for the cold, flu, Covid and allergies

It’s more a nasal spray than a needle, thankfully (Picture: Getty Images)

For anyone terrified of needles, we have some good news for you – we’re one step closer to a one-size-fits-all vaccine for cold, flu and Covid.

US health experts say a simple nasal spray could help boost people’s immunity to respiratory viruses, bacteria and allergy triggers.

While the study, published in the journal Science, was carried out on mice, researchers say it shows promising results for humans.