Researchers Unveil Simple Drug-Free Spray That Could Prevent COVID, Flu, and Colds

Brigham researchers have developed a nasal spray called PCANS that blocks a wide range of respiratory infections by trapping and neutralizing pathogens in the nose. In lab and animal tests, the spray effectively prevented infection, offering promising future applications if validated in humans. Researchers at Brigham have developed a spray that could provide wide-ranging protection [...]