by Marie-Morgane LE MOEL Agence France Presse PARIS, France (AFP) — French pharmaceutical giant Sanofi said Tuesday that it would invest 2 billion euros ($2.4 billion) in the mRNA vaccine technology behind the pioneering Covid-19 jabs developed by rivals BioNTech-Pfizer and Moderna. Sanofi, which was left trailing in the race to break out a Covid vaccine in 2020, said it would invest 400 million euros a year between now and 2025 to develop at […]