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Immunologists are excited about the prospect of nasal vaccines - both for unvaccinated people and as boosters
Meissa's early clinical data (which the company said it would share in more detail at an upcoming immunotherapy conference in late November and early December) indicated that unvaccinated patients who are given a couple drops of Meissa's vaccine in each nostril have average mucosal antibody levels slightly higher than those measured in people with natural immunity to the virus.
This suggested that Meissa's vaccine could potentially work well at preventing peskier sniffly infections, not just the COVID cases that land people in the hospital.