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.

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,

A no-frills nasal spray could potentially provide effective protection against "deadly respiratory infections" and Covid-19, tests on mice suggest. In findings published in the journal Advanced Materials,

Nasal Spray Beats Flu, Colds, Covid-19 With 99 Percent Success, Researchers Say. The spray functions by creating a gel-like matrix within the nasal passages. A nurse gives a s