The over-the-counter nasal spray azelastine may reduce your risk of COVID-19, according to one study. Azelastine may also shorten how long you’re sick and reduce your risk of other viruses like the ...

Researchers are exploring a new nasal spray designed to protect against respiratory illnesses like colds, flu, and COVID-19. The spray, developed by Brigham and Women's Hospital, uses a unique ...

While staying up to date with your vaccines, regular hand-washing, and avoiding crowds or wearing a mask in crowded settings can all help protect you from viruses like COVID-19, scientists continue to ...