Preventative nasal spray shown to reduce viral replication by up to 96% in COVID-19 challenge study on September 29, 2020 Get link Facebook X Pinterest Email Other Apps https://www.prnewswire.com/news-releases/preventative-nasal-spray-shown-to-reduce-viral-replication-by-up-to-96-in-covid-19-challenge-study-301138072.html