An in vitro study finds that nitric oxide may suppress SARS-CoV-2, the virus that causes COVID-19. The researchers suggest that inhaled nitric oxide may be an effective treatment for the disease.
The molecule has anti-inflammatory effects and is a vasodilator, meaning it dilates blood vessels to increase blood flow. It also has antiviral properties.
According to a 2005 in vitro study involving cell cultures grown in the lab, it also inhibits the replication of SARS-CoV. Closely related to SARS-CoV-2, this coronavirus caused the global outbreak of Severe Acute Respiratory Syndrome (SARS) in 2003.medicalnewstoday COVID-19: Nitric oxide shows promise as antiviral treatment