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Oil of oregano may prove to be a valuable ally against Severe Acute Respiratory Syndrome (SARS).
A recent in vitro study indicates that the essential oil of this medicinal herb can destroy human coronavirus, thought to be the pathogen responsible for SARS, and completely stop its replication within 20 minutes of exposure.
The in vitro findings need to be confirmed in human clinical trials, but they are compelling in that they show that oil of oregano, alone and in combination with other essential oils, have unequivocal virucidal and virustatic effects
Oil of Oregano Proves Effective Against Coronavirus - Holistic Primary Care