$25 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 shot of Covid vaccine at a community health center at Nantong, China, December 9, 2022. A new spray is said to offer broad-spectrum protection against various respiratory infections, including Covid-19, influenza, common cold viruses, and pneumonia-causing bacteria. Chinatopix via AP
