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Moderna’s COVID vaccine reports 95% efficacy. It means we might have multiple successful vaccines – The Conversation AU
Moderna’s shot is far easier to store and distribute than Pfizer’s. But there are concerns neither vaccine performs particularly well for older people.
American biotech firm Moderna has released early results from its phase 3 clinical trials, announcing in a press release on Monday (US time) that its COVID vaccine has an efficacy of 94.5%, according to an interim analysis by an independent data and safety monitoring board.
Heres how the percentage was calculated. First, there are two groups in the study: the vaccinated group, who received the candidate vaccine, and the placebo group, who received a shot of salt water.
Among 30,000 trial participants,…
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