If this flu-busting nasal spray lives up to its promise, it will be a blockbuster. Scientists at Harvard Medical School have developed a simple nasal spray, made of harmless ingredients, that they reckon can protect us against flu,

The next fight against COVID and the flu may be as simple as the spritz of a nasal spray containing non-drug ingredients already used in other similar products.

A new study found a new drug-free nasal spray may protect against respiratory infections like COVID and the flu, Brigham and Women's Hospital stated in a release Wednesday.

Nobody wants to get a respiratory infection such as COVID-19 or the flu, but vaccines aren't 100% effective, and constantly taking preventative drugs can be problematic. That's where a special nasal spray may come in,