French pharma giant Sanofi halts work on mRNA Covid-19 vaccine

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French pharmaceutical group Sanofi has announced it is halting work on developing a Covid-19 vaccine using mRNA messenger technology because of the abundance of supplies of similar vaccines from other firms, and will instead develope mRNA vaccines against other pathogens, including the flu.

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French pharmaceutical giant Sanofi said on Tuesday it was stopping work on an mRNA vaccine against Covid-19 despite positive test results as it lags behind rivals on producing a coronavirus shot, reports CNA.