THE OUTBREAK OF SARS WARRANTS THE SEARCH FOR ANTIVIRAL COMPOUNDS TO TREAT THE DISEASE. GLYCYRRHIZIN, AN ACTIVE COMPONENT OF LIQUORICE ROOTS, AND REPLICATION OF SARS-ASSOCIATED CORONAVIRUS

The outbreak of SARS warrants the search for antiviral compounds to treat the disease. At present, no specific treatment has been identified for SARS-associated coronavirus infection. We assessed the antiviral potential of ribavirin, 6-azauridine, pyrazofurin, mycophenolic acid, and glycyrrhizin against two clinical isolates of coronavirus (FFM-1 and FFM-2) from patients with SARS admitted to the clinical centre of Frankfurt University, Germany. Of all the compounds, glycyrrhizin was the most active in inhibiting replication of the SARS-associated virus. Our findings suggest that glycyrrhizin should be assessed for treatment of SARS.

Lancet 2003; 361: 2045–46

A new coronavirus has been identified in patients with severe acute respiratory syndrome (SARS).1 SARS is an infectious disease with a high potential for transmission to close contacts. The outbreak of SARS in several countries has led to the search for active antiviral compounds to treat this disease.

Here, we assessed the antiviral activities of ribavirin, 6-azauridine, pyrazofurin, mycophenolic acid, and glycyrrhizin against two clinical isolates of coronavirus (FFM-1 and FFM-2) from patients with SARS admitted to the clinical centre of Frankfurt University, Germany.

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