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      UK becomes first to authorize Merck and Ridgeback Biotherapeutics’ antiviral molnupiravir to treat mild-to-moderate Covid-19 
      
CNN Health
    
        
        The UK Medicines and Healthcare Products Regulatory Agency said Thursday it had authorized Merck and Ridgeback Biotherapeutics’ oral antiviral, molnupiravir, to treat mild-to-moderate Covid-19 in adults at risk for severe illness.
