In April, she’d begun to use a topical nasal-spray decongestant. The over-the-counter (OTC) drug worked like a charm. By summer, she was still using the spray daily. Yet it was helping for ...

If this flu-busting nasal spray lives up to its promise, it will be a blockbuster. Scientists at Harvard Medical School have ...

Researchers found that a drug-free nasal spray protected against airborne respiratory illnesses — including Covid-19, influenza, viruses, and pneumonia — in a preclinical study published by ...