Abstract:Viruses are vulnerable as they transmit between hosts and we aimed to exploit this critical window. We found that the ubiquitous, safe, inexpensive and biodegradable small molecule propylene glycol (PG) has robust virucidal activity. Propylene glycol rapidly inactivates influenza, SARS-CoV-2 and a broad range of other enveloped viruses, and reduces disease burden in mice when administered intranasally at concentrations commonly found in nasal sprays. Most critically, aerosolized PG efficiently abolishes influe… Show more
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