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Un vaccino anti-Covid-19 sviluppato congiuntamente da Pfizer e BioNTech è risultato efficace nel prevenire il 90% delle infezioni durante la fase 3 della sperimentazione, che è ancora in corso. Lo ha annunciato lunedì il presidente di Pfizer, Albert Bourla.
La società tedesca BioNTech conferma l'annuncio di Pfizer, comunicando in una pubblicazione di voler chiedere l'autorizzazione per la produzione, insieme a Pfizer, la settimana prossima alla Food and Drug Administration (FDA, l'agenzia federale statunitense per la sicurezza dei farmaci).
Euforia in borsa
L'annuncio ha provocato un'ondata di euforia sui mercati mondiali: Milano vola in rialzo del 5%, Londra del 3,99%, Parigi del 5,39%, Francoforte del 4,8% e Madrid del 6%. Più timido lo SMI a Zurigo, che fa segnare un +1,76%.
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