Data show a simple nasal spray can neutralize the SARS-CoV-2 virus and help alleviate symptoms of COVID disease, but the feds block any mention of these benefits. Action Alert! The FDA and the FTC have sent warning letters to at least five companies marketing a wide range of antiseptic nasal sprays containing xylitol, saline, povidone-iodine, or some combination of these ingredients. The companies cited studies demonstrating their nasal sprays were able to neutralize and kill the coronavirus. We also have learned that the nose is the dominant site where the virus replicates and infects other areas of the body. Read more.