By JOE McDONALD and HUIZHONG WU Associated Press BEIJING (AP) — A Chinese drugmaker said Wednesday its coronavirus vaccine was found to be 79.3% effective at preventing infection in preliminary data from the final round of testing, moving Beijing closer to possibly being able to fulfill its pledge to supply other developing countries. The announcement by a unit of state-owned Sinopharm gave the first official data from a Chinese vaccine's late-stage trial. Its reported effectiveness rate is behind Pfizer Inc.'s vaccine at 95% and Moderna Inc.'s at 94%. Scientists have cautioned coronavirus vaccines may only be about as effective as […]

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