Pharma Eyes Big Profits in Nasal Vaccines – Should We Really Spray Nanoparticles So Close to the Brain?
The Defender Staff Vaccine manufacturers set their sights on nasal vaccines at least two decades ago, but so far product development has remained sluggish as scientists acknowledge that only a “thin partition” separates the nasal cavity from the brain. … Would nasal sprays be more benign than their injectable counterparts? Experience thus far urges caution. […]