News of Covid-19 vaccine with 90% effectiveness sees pandemic-boosted stocks tank TechSpot
Both Pfizer and BioNTech announced that their mRNA-based vaccine had been shown to be effective at blocking the virus in 90 percent of participants in stage 3 of its clinical trial, which included 43,358 participants. The vaccine uses a two-dose process, and Pfizer says, “no serious safety concerns have been...


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