An everyday hay fever spray may do more than tame sneezes. In a rigorously run German trial, adults who used azelastine nasal spray three times a day were less likely to catch COVID-19 than those who ...

Amid the uncertainty surrounding eligibility for and access to the latest Covid-19 vaccine, a new study has found that a common nasal spray could help prevent infection. This randomized ...

Researchers say people using a common allergy nasal spray, azelastine, were 69% less likely to contract COVID-19. Participants in the trial were also 71% less likely to catch the common cold than ...

Respiratory viruses that have diverse strains and mutate rapidly, such as influenza and COVID-19, are difficult to block ...

Interferon-α nasal spray was safe and effective in reducing COVID-19 risk by 40% in patients with cancer, demonstrating its potential as an additional preventive strategy alongside vaccines and ...

A widely-used antihistamine nasal spray for hay fever reduced COVID-19 infections by two-thirds in a phase 2 clinical trial. The study was published in JAMA Internal Medicine and may point towards an ...

Novel findings from a preclinical head-to-head comparison show that administering a COVID-19 vaccine as a nasal spray rather than a subcutaneous injection enhances the body's long-term immune memory, ...

The National Institutes of Health, Belgium-based viral vector manufacturer Exothera and researchers at Dartmouth Health's Dartmouth Hitchcock Medical Center and Dartmouth's Geisel School of Medicine ...

A team of University of Maryland researchers developed a nasal spray vaccine that delivers the SARS-CoV-2 spike protein into cells of the airway in mice and hamsters, triggering an immune response ...