https://www.stltoday.com/business/columns/david-nicklaus/underdog-vaccine-from-washington-university-may-kill-the-coronavirus/article_0d162de2-d89b-51d4-85dc-ad9ae01e0924.html
It requires a single, smaller dose of vaccine, it’s a nasal vaccine, and, in trials in mice, it appears to destroy any coronavirus that was already present.
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