OTC nasal spray seemed to cut COVID infections by 67% in mid-sized trial
The Phase 2 trial is not definitive, but it comes as vaccine access is severely restricted.
https://arstechnica.com/health/2025/09/otc-nasal-spray-seemed-to-cut-covid-infections-by-67-in-mid-sized-trial/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social
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