Centers for Disease Control and Prevention
Posted on: December 16, 2021 at 18:54:37 CT
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Martin J Vincent, Bobbie R Erickson, Pierre E Rollin, Thomas G Ksiazek, and Stuart T Nichol corresponding author worked at the Special Pathogens Branch, Division of Viral and Rickettsial Diseases, Centers for Disease Control and Prevention, 1600 Clifton Road, Atlanta, Georgia, 30333, USA.
The other three–Eric Bergeron, Suzanne Benjannet, Nabil G Seidah,–represented the Laboratory of Biochemical Neuroendocrinology, Clinical Research Institute of Montreal, 110 Pine Ave West, Montreal, QCH2W1R7, Canada
Here is what they found:
We report, however, that chloroquine has strong antiviral effects on SARS-CoV infection of primate cells. These inhibitory effects are observed when the cells are treated with the drug either before or after exposure to the virus, suggesting both prophylactic and therapeutic advantage. . . .
Chloroquine is effective in preventing the spread of SARS CoV in cell culture. Favorable inhibition of virus spread was observed when the cells were either treated with chloroquine prior to or after SARS CoV infection. In addition, the indirect immunofluorescence assay described herein represents a simple and rapid method for screening SARS-CoV antiviral compounds.