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Moderna says its vaccine effective against new Covid variants found in UK, South Africa

Moderna, the US pharma giant, has claimed that its coronavirus vaccine is effective against mutant strains of Covid-19 found in the UK and South Africa. The vaccine (mRNA-1273) was authorised for emergency use by the US FDA on December 18, 2020. “Vaccination with the Moderna COVID-19 Vaccine produced neutralizing titers against all key emerging variants tested, including B.1.1.7 and B.1.351,…